{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T13:19:01Z","timestamp":1789737541473,"version":"4.0.1"},"reference-count":788,"publisher":"Elsevier BV","issue":"12","license":[{"start":{"date-parts":[[2004,12,1]],"date-time":"2004-12-01T00:00:00Z","timestamp":1101859200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Peptides"],"published-print":{"date-parts":[[2004,12]]},"DOI":"10.1016\/j.peptides.2004.09.005","type":"journal-article","created":{"date-parts":[[2004,11,6]],"date-time":"2004-11-06T18:03:10Z","timestamp":1099764190000},"page":"2205-2256","source":"Crossref","is-referenced-by-count":40,"title":["Endogenous opiates and behavior: 2003"],"prefix":"10.1016","volume":"25","author":[{"given":"Richard J.","family":"Bodnar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gad E.","family":"Klein","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib1","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/S0014-2999(03)01494-8","article-title":"Characterization of muscarinic receptor subtypes in the rostral ventrolateral medulla and effects on morphine-induced antinociception in rats","volume":"465","author":"Abe","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib2","doi-asserted-by":"crossref","first-page":"668","DOI":"10.1016\/S0885-3924(03)00144-1","article-title":"Long-term outcomes during treatment of chronic pain with intrathecal clonidine or clonidine\/opioid combinations","volume":"26","author":"Ackerman","year":"2003","journal-title":"J Pain Symptom Manage"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib3","doi-asserted-by":"crossref","first-page":"223","DOI":"10.18553\/jmcp.2003.9.3.223","article-title":"Patient-reported utilization patterns of fentanyl transdermal system and oxycodone hydrochloride controlled-release among patients with chronic nonmalignant pain","volume":"9","author":"Ackerman","year":"2003","journal-title":"J Manag Care Pharm"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib4","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1016\/S0031-9384(03)00087-8","article-title":"Lack of intersite GABA receptor subtype antagonist effects upon mu opioid receptor agonist-induced feeding elicited from either the ventral tegmental area or nucleus accumbens shell in rats","volume":"79","author":"Ackerman","year":"2003","journal-title":"Physiol Behav"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib5","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1046\/j.1471-4159.2003.01507.x","article-title":"Distinct effects of methamphetamine and cocaine on preprodynorphin messenger RNA in rat striatal patch and matrix","volume":"84","author":"Adams","year":"2003","journal-title":"J Neurochem"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib6","doi-asserted-by":"crossref","first-page":"55","DOI":"10.1037\/0735-7044.117.1.55","article-title":"Lack of opioid or dopaminergic effects on unconditioned sexual incentive motivation in male rats","volume":"117","author":"Agmo","year":"2003","journal-title":"Behav Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib7","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1016\/S0740-5472(03)00024-2","article-title":"Methadone versus buprenorphine maintenance for the treatment of heroin-dependent outpatients","volume":"24","author":"Ahmadi","year":"2003","journal-title":"J Subst Abuse Treat"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib8","doi-asserted-by":"crossref","first-page":"425","DOI":"10.1080\/09595230310001613949","article-title":"Antagonist-precipitated heroin withdrawal under anaesthetic prior to maintenance naltrexone treatment: determinants of withdrawal severity","volume":"22","author":"Ali","year":"2003","journal-title":"Drug Alcohol Rev"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib9","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1007\/s00213-002-1358-x","article-title":"Cognitive and motor function after administration of hydrocodone bitartrate plus ibuprofen, ibuprofen alone, or placebo in healthy subjects with exercise-induced muscle damage: a randomized, repeated-dose, placebo-controlled study","volume":"166","author":"Allen","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib10","doi-asserted-by":"crossref","first-page":"785","DOI":"10.1124\/jpet.103.055319","article-title":"The competitive N-methyl-d-aspartate receptor antagonist (\u2212)-6-phosphonomethyl-deca-hydroisoquinoline-3-carboxylic acid (LY235,959) potentiates the antinociceptive effects of opioids that vary in efficacy at the mu-opioid receptor","volume":"307","author":"Allen","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib11","doi-asserted-by":"crossref","first-page":"495","DOI":"10.1097\/00000542-200302000-00031","article-title":"Antinociceptive effect of low-dose intrathecal neostigmine combined with intrathecal morphine following gynecologic surgery","volume":"98","author":"Almeida","year":"2003","journal-title":"Anesthesiology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib12","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1124\/jpet.103.053264","article-title":"Antagonism of N-methyl-d-aspartate receptors reduces the vulnerability of the immune system to stress after chronic morphine","volume":"307","author":"Alonzo","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib13","doi-asserted-by":"crossref","first-page":"969","DOI":"10.1097\/00000542-200310000-00033","article-title":"Synergistic antinociceptive effects of ketamine and morphine in the orofacial capsaicin test in the rat","volume":"99","author":"Alvarez","year":"2003","journal-title":"Anesthesiology"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib14","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/S0169-328X(03)00057-3","article-title":"Microarray analysis of genes expressed in the frontal cortex of rats chronically treated with morphine and after naloxone precipitated withdrawal","volume":"112","author":"Ammon","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib15","doi-asserted-by":"crossref","first-page":"74","DOI":"10.1016\/S0885-3924(02)00531-6","article-title":"Relationships among morphine metabolism, pain and side effects during long-term treatment: an update","volume":"25","author":"Andersen","year":"2003","journal-title":"J Pain Symptom Manage"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib16","doi-asserted-by":"crossref","first-page":"188","DOI":"10.1016\/j.brainres.2003.09.035","article-title":"Memantine attenuates the increase in striatal preproenkephalin mRNA expression and development of haloperidol-induced persistent oral dyskinesias in rats","volume":"994","author":"Andreassen","year":"2003","journal-title":"Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib17","doi-asserted-by":"crossref","first-page":"651","DOI":"10.1124\/jpet.103.055467","article-title":"Repeated exposures to heroin and\/or cadmium alter the rate of formation of morphine glucuronides in the rat","volume":"307","author":"Antonilli","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib18","doi-asserted-by":"crossref","first-page":"200","DOI":"10.1007\/s00213-003-1531-x","article-title":"High levels of morphine-6-glucuronide in street heroin addicts","volume":"170","author":"Antonilli","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib19","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1016\/S0304-3940(03)00829-2","article-title":"Disruption of the type 1 inositol 1,4,5-trisphosphate receptor gene suppresses the morphine-induced antinociception in the mouse","volume":"350","author":"Aoki","year":"2003","journal-title":"Neurosci Lett"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib20","doi-asserted-by":"crossref","first-page":"1753","DOI":"10.1210\/en.2002-221096","article-title":"A role for the endogenous opioid beta-endorphin in energy homeostasis","volume":"144","author":"Appleyard","year":"2003","journal-title":"Endocrinology"},{"key":"10.1016\/j.peptides.2004.09.005_bib21","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1196\/annals.1304.022","article-title":"Inhibitory effect of harmane on morphine-dependent Guinea pig ileum","volume":"1009","author":"Aricioglu","year":"2003","journal-title":"Ann NY Acad Sci"},{"key":"10.1016\/j.peptides.2004.09.005_bib22","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1196\/annals.1304.016","article-title":"Agmatine inhibits naloxone-induced contractions in morphine-dependent Guinea pig ileum","volume":"1009","author":"Aricioglu","year":"2003","journal-title":"Ann NY Acad Sci"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib23","doi-asserted-by":"crossref","first-page":"515","DOI":"10.1176\/appi.psy.44.6.515","article-title":"Pharmacokinetic drug interactions of morphine, codeine, and their derivatives: theory and clinical reality (part II)","volume":"44","author":"Armstrong","year":"2003","journal-title":"Psychosomatics"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib24","doi-asserted-by":"crossref","first-page":"314","DOI":"10.1093\/bja\/aeg076","article-title":"Adjunctive analgesia with intravenous propacetamol does not reduce morphine-related adverse effects","volume":"90","author":"Aubrun","year":"2003","journal-title":"Br J Anaesth"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib25","doi-asserted-by":"crossref","first-page":"160","DOI":"10.1097\/00000542-200307000-00026","article-title":"Postoperative morphine consumption in the elderly patient","volume":"99","author":"Aubrun","year":"2003","journal-title":"Anesthesiology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib26","doi-asserted-by":"crossref","first-page":"1415","DOI":"10.1097\/00000542-200306000-00017","article-title":"Relationships between measurement of pain using visual analog score and morphine requirements during postoperative intravenous morphine titration","volume":"98","author":"Aubrun","year":"2003","journal-title":"Anesthesiology"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib27","doi-asserted-by":"crossref","first-page":"42","DOI":"10.1007\/s00213-003-1514-y","article-title":"Conditioned place aversion is a highly sensitive index of acute opioid dependence and withdrawal","volume":"170","author":"Azar","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib28","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1159\/000067733","article-title":"Alcohol consumption in heroin users, methadone-substituted and codeine-substituted patients\u2014frequency and correlates of use","volume":"9","author":"Backmund","year":"2003","journal-title":"Eur Addict Res"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib29","doi-asserted-by":"crossref","first-page":"1187","DOI":"10.1038\/sj.bjp.0705340","article-title":"Quantitative autoradiography of adenosine receptors in brains of chronic naltrexone-treated mice","volume":"139","author":"Bailey","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"33","key":"10.1016\/j.peptides.2004.09.005_bib30","doi-asserted-by":"crossref","first-page":"10515","DOI":"10.1523\/JNEUROSCI.23-33-10515.2003","article-title":"Mu-opioid receptor desensitization in mature rat neurons: lack of interaction between DAMGO and morphine","volume":"23","author":"Bailey","year":"2003","journal-title":"J Neurosci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib31","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1007\/s00213-003-1483-1","article-title":"Enhanced attention in rhesus monkeys as a common factor for the cognitive effects of drugs with abuse potential","volume":"169","author":"Bain","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib32","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1034\/j.1600-0773.2003.t01-1-920202.x","article-title":"Morphine and d-amphetamine nullify each others\u2019 hypothermic effects in mice","volume":"92","author":"Baker","year":"2003","journal-title":"Pharmacol Toxicol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib33","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1016\/S0143-4179(03)00045-3","article-title":"Expression and G-protein coupling of mu-opioid receptors in the spinal cord and dorsal root ganglia of polyarthritic rats","volume":"37","author":"Ballet","year":"2003","journal-title":"Neuropeptides"},{"issue":"13","key":"10.1016\/j.peptides.2004.09.005_bib34","doi-asserted-by":"crossref","first-page":"925","DOI":"10.2165\/00002018-200326130-00002","article-title":"Use of antibiotic and analgesic drugs during lactation","volume":"26","author":"Bar-Oz","year":"2003","journal-title":"Drug Saf"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib35","doi-asserted-by":"crossref","first-page":"182","DOI":"10.1159\/000068404","article-title":"Profound, non-opioid analgesia produced by the high-efficacy 5-HT(1A) agonist F13,640 in the formalin model of tonic nociceptive pain","volume":"67","author":"Bardin","year":"2003","journal-title":"Pharmacology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib36","doi-asserted-by":"crossref","first-page":"617","DOI":"10.1016\/S0091-3057(02)01049-3","article-title":"Effects of beta-funaltrexamine and naloxonazine on single-trial morphine-conditioned place preference and locomotor activity","volume":"74","author":"Bardo","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib37","doi-asserted-by":"crossref","first-page":"511","DOI":"10.1016\/S0361-9230(03)00188-6","article-title":"High fat feeding is associated with increased blood pressure, sympathetic nerve activity and hypothalamic mu opioid receptors","volume":"61","author":"Barnes","year":"2003","journal-title":"Brain Res Bull"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib38","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1002\/dev.10089","article-title":"Analgesia induced by local plantar injections of opiates in the formalin test in infant rats","volume":"42","author":"Barr","year":"2003","journal-title":"Dev Psychobiol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib39","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1016\/S0376-8716(03)00195-9","article-title":"Escalating morphine exposures followed by withdrawal in feline immunodeficiency virus-infected cats: a model for HIV infection in chronic opiate abusers","volume":"72","author":"Barr","year":"2003","journal-title":"Drug Alcohol Depend"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib40","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1124\/jpet.103.054478","article-title":"Capsaicin-induced hyperalgesia and mu-opioid-induced antihyperalgesia in male and female Fischer 344 rats","volume":"307","author":"Barrett","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib41","doi-asserted-by":"crossref","first-page":"581","DOI":"10.1124\/jpet.103.050682","article-title":"Suppressed prolactin response to dynorphin A1\u201313 in methadone-maintained versus control subjects","volume":"306","author":"Bart","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib42","doi-asserted-by":"crossref","first-page":"1973","DOI":"10.1038\/sj.npp.1300274","article-title":"Vivitrex, an injectable, extended-release formulation of naltrexone, provides pharmacokinetic and pharmacodynamic evidence of efficacy for 1 month in rats","volume":"28","author":"Bartus","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib43","doi-asserted-by":"crossref","first-page":"399","DOI":"10.1007\/s00429-003-0308-7","article-title":"An immunocytochemical mapping of methionine-enkephalin-Arg6-Gly7-Leu8 in the cat brainstem","volume":"206","author":"Belda","year":"2003","journal-title":"Anat Embryol (Berl)"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib44","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1124\/jpet.103.053181","article-title":"Role of the nitric-oxide synthase isoforms during morphine-induced hyperthermia in rats","volume":"307","author":"Benamar","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib45","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1046\/j.1460-9568.2003.02434.x","article-title":"Regulation of tyrosine hydroxylase levels and activity and Fos expression during opioid withdrawal in the hypothalamic PVN and medulla oblongata catecholaminergic cell groups innervating the PVN","volume":"17","author":"Benavides","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib46","doi-asserted-by":"crossref","first-page":"264","DOI":"10.1016\/S0143-4179(03)00066-0","article-title":"Delta opioid receptors are involved in morphine-induced inhibition of luteinizing hormone releasing hormone in SK-N-SH cells","volume":"37","author":"Bennett","year":"2003","journal-title":"Neuropeptides"},{"issue":"Suppl","key":"10.1016\/j.peptides.2004.09.005_bib47","doi-asserted-by":"crossref","first-page":"1105","DOI":"10.1023\/A:1024711720418","article-title":"Morphine and its potentiated form: effects on pain sensitivity in rats","volume":"135","author":"Berchenko","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"Suppl","key":"10.1016\/j.peptides.2004.09.005_bib48","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1023\/A:1024702023627","article-title":"Effect of antibodies to morphine in ultralow doses on induction of long-term potentiation in hippocampal slices from rats with chronic morphine dependence","volume":"135","author":"Beregovoi","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib49","doi-asserted-by":"crossref","first-page":"114","DOI":"10.1023\/A:1023895109474","article-title":"Effect of antibodies to morphine on synaptic plasticity of the hippocampus","volume":"135","author":"Beregovoi","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib50","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1046\/j.1460-9568.2003.02439.x","article-title":"Increase of morphine withdrawal in mice lacking A2a receptors and no changes in CB1\/A2a double knockout mice","volume":"17","author":"Berrendero","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib51","doi-asserted-by":"crossref","first-page":"553","DOI":"10.1016\/S0196-9781(03)00110-4","article-title":"Endothelin receptor antagonists restore morphine analgesia in morphine tolerant rats","volume":"24","author":"Bhalla","year":"2003","journal-title":"Peptides"},{"issue":"21","key":"10.1016\/j.peptides.2004.09.005_bib52","doi-asserted-by":"crossref","first-page":"7950","DOI":"10.1523\/JNEUROSCI.23-21-07950.2003","article-title":"Roles of alpha1- and alpha2-adrenoceptors in the nucleus raphe magnus in opioid analgesia and opioid abstinence-induced hyperalgesia","volume":"23","author":"Bie","year":"2003","journal-title":"J Neurosci"},{"issue":"19","key":"10.1016\/j.peptides.2004.09.005_bib53","doi-asserted-by":"crossref","first-page":"7262","DOI":"10.1523\/JNEUROSCI.23-19-07262.2003","article-title":"Presynaptic mechanism for anti-analgesic and anti-hyperalgesic actions of kappa-opioid receptors","volume":"23","author":"Bie","year":"2003","journal-title":"J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib54","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1046\/j.1523-1747.2003.12018.x","article-title":"Different expression of mu-opiate receptor in chronic and acute wounds and the effect of beta-endorphin on transforming growth factor beta type II receptor and cytokeratin 16 expression","volume":"120","author":"Bigliardi","year":"2003","journal-title":"J Invest Dermatol"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib55","doi-asserted-by":"crossref","first-page":"1589","DOI":"10.1038\/sj.npp.1300206","article-title":"Stressor controllability modulates stress-induced dopamine and serotonin efflux and morphine-induced serotonin efflux in the medial prefrontal cortex","volume":"28","author":"Bland","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib56","first-page":"7","article-title":"Leptin, neuropeptide Y, beta-endorphin, gonadotropin, and estradiol levels in girls before menarche","volume":"17","author":"Blogowska","year":"2003","journal-title":"Gynecol Endocrinol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib57","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1358\/mf.2003.25.2.723682","article-title":"Involvement of nitric oxide in the nociception of kyotorphin, TYR-CAV and MIF-s analogues in the rat spinal cord","volume":"25","author":"Bocheva","year":"2003","journal-title":"Methods Find Exp Clin Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib58","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1080\/1028415021000042848","article-title":"Differential dose-dependent effects of central morphine treatment upon food intake in male and female rats receiving neonatal hormone manipulations","volume":"6","author":"Bodnar","year":"2003","journal-title":"Nutr Neurosci"},{"issue":"32","key":"10.1016\/j.peptides.2004.09.005_bib59","doi-asserted-by":"crossref","first-page":"10265","DOI":"10.1523\/JNEUROSCI.23-32-10265.2003","article-title":"Enhanced rewarding properties of morphine, but not cocaine, in beta(arrestin)-2 knock-out mice","volume":"23","author":"Bohn","year":"2003","journal-title":"J Neurosci"},{"issue":"20","key":"10.1016\/j.peptides.2004.09.005_bib60","doi-asserted-by":"crossref","first-page":"7569","DOI":"10.1523\/JNEUROSCI.23-20-07569.2003","article-title":"Phospholipase Cgamma in distinct regions of the ventral tegmental area differentially modulates mood-related behaviors","volume":"23","author":"Bolanos","year":"2003","journal-title":"J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib61","doi-asserted-by":"crossref","first-page":"172","DOI":"10.1016\/S0165-6147(03)00068-3","article-title":"The dopamine-containing neuron: maestro or simple musician in the orchestra of addiction?","volume":"24","author":"Bonci","year":"2003","journal-title":"Trends Pharmacol Sci"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib62","doi-asserted-by":"crossref","first-page":"2009","DOI":"10.1007\/s00134-003-1899-4","article-title":"Postoperative pain in the neonate: age-related differences in morphine requirements and metabolism","volume":"29","author":"Bouwmeester","year":"2003","journal-title":"Intensive Care Med"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib63","doi-asserted-by":"crossref","first-page":"218","DOI":"10.1093\/bja\/aeg165","article-title":"Emetic effects of morphine and piritramide","volume":"91","author":"Breitfeld","year":"2003","journal-title":"Br J Anaesth"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib64","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1016\/j.molbrainres.2003.08.006","article-title":"Cortical changes in cholecystokinin mRNA are related to spontaneous pain behaviors following excitotoxic spinal cord injury in the rat","volume":"118","author":"Brewer","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib65","doi-asserted-by":"crossref","first-page":"513","DOI":"10.1016\/S0306-4522(02)00927-2","article-title":"Autoradiographic localization of (125)i[Tyr(14)] nociceptin\/orphanin FQ binding sites in macaque primate CNS","volume":"118","author":"Bridge","year":"2003","journal-title":"Neuroscience"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib66","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1016\/S0304-3959(03)00319-1","article-title":"The association between anger expression and chronic pain intensity: evidence for partial mediation by endogenous opioid dysfunction","volume":"106","author":"Bruehl","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib67","doi-asserted-by":"crossref","first-page":"167","DOI":"10.1097\/00008877-200303000-00009","article-title":"A persistent opioid-addiction state of memory","volume":"14","author":"Bruins Slot","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib68","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1016\/S0378-5173(02)00560-4","article-title":"Molecular interactions between DPPC and morphine derivatives: a DSC and EPR study","volume":"250","author":"Budai","year":"2003","journal-title":"Int J Pharm"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib69","doi-asserted-by":"crossref","first-page":"302","DOI":"10.1016\/S0018-506X(03)00004-7","article-title":"Behavioral and neuroendocrine actions of the Met-enkephalin-related peptide MERF","volume":"43","author":"Bujdoso","year":"2003","journal-title":"Horm Behav"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib70","doi-asserted-by":"crossref","first-page":"2545","DOI":"10.1046\/j.1460-9568.2003.03005.x","article-title":"The role of nitric oxide in morphine dependence and withdrawal excitation of rat oxytocin neurons","volume":"18","author":"Bull","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib71","doi-asserted-by":"crossref","first-page":"1106","DOI":"10.1124\/jpet.103.052381","article-title":"Topical capsaicin-induced allodynia in unanesthetized primates: pharmacological modulation","volume":"306","author":"Butelman","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib72","doi-asserted-by":"crossref","first-page":"367","DOI":"10.1002\/dev.10147","article-title":"Induction of maternal behavior in adult female rats following chronic morphine exposure during puberty","volume":"43","author":"Byrnes","year":"2003","journal-title":"Dev Psychobiol"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib73","doi-asserted-by":"crossref","first-page":"5118","DOI":"10.4049\/jimmunol.170.10.5118","article-title":"Molecular identification and functional expression of mu 3, a novel alternatively spliced variant of the human mu opiate receptor gene","volume":"170","author":"Cadet","year":"2003","journal-title":"J Immunol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib74","first-page":"485","article-title":"Cyclic exercise induces anti-inflammatory signal molecule increases in the plasma of Parkinson's patients","volume":"1\u20132","author":"Cadet","year":"2003","journal-title":"Int J Mol Med"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib75","doi-asserted-by":"crossref","first-page":"2326","DOI":"10.1046\/j.1460-9568.2003.02941.x","article-title":"Selective psychostimulant sensitization by food restriction: differential changes in accumbens shell and core dopamine","volume":"18","author":"Cadoni","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib76","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/S0006-8993(02)03885-4","article-title":"Enhanced thermal antinociceptive potency and anti-allodynic effects of morphine following spinal administration of endotoxin","volume":"960","author":"Cahill","year":"2003","journal-title":"Brain Res"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib77","doi-asserted-by":"crossref","first-page":"543","DOI":"10.1016\/S0028-3908(03)00192-8","article-title":"Intrathecal nerve growth factor restores opioid effectiveness in an animal model of neuropathic pain","volume":"45","author":"Cahill","year":"2003","journal-title":"Neuropharmacology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib78","doi-asserted-by":"crossref","first-page":"995","DOI":"10.1037\/0735-7044.117.5.995","article-title":"Changes in dopaminergic neurotransmission do not alter somatic or motivational opiate withdrawal-induced symptoms in rats","volume":"117","author":"Caille","year":"2003","journal-title":"Behav Neurosci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib79","doi-asserted-by":"crossref","first-page":"276","DOI":"10.1038\/sj.npp.1300033","article-title":"Inhibition of 5-HT neurotransmission increases clonidine protective effects on naloxone-induced conditioned place aversion in morphine-dependent rats","volume":"28","author":"Caille","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib80","doi-asserted-by":"crossref","first-page":"3145","DOI":"10.1111\/j.1460-9568.2003.02961.x","article-title":"SR141,716A reduces the reinforcing properties of heroin but not heroin-induced increases in nucleus accumbens dopamine in rats","volume":"18","author":"Caille","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib81","doi-asserted-by":"crossref","first-page":"H1032","DOI":"10.1152\/ajpheart.01004.2002","article-title":"Activation of delta- and kappa-opioid receptors by opioid peptides protects cardiomyocytes via KATP channels","volume":"285","author":"Cao","year":"2003","journal-title":"Am J Physiol Heart Circ Physiol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib82","doi-asserted-by":"crossref","first-page":"611","DOI":"10.1016\/S0024-3205(03)00319-9","article-title":"Petrosaspongiolide M reduces morphine withdrawal in vitro","volume":"73","author":"Capasso","year":"2003","journal-title":"Life Sci"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib83","doi-asserted-by":"crossref","first-page":"826","DOI":"10.1002\/ptr.1218","article-title":"Alkaloids from Brugmansia arborea (L.) Lagerhein reduce morphine withdrawal in vitro","volume":"17","author":"Capasso","year":"2003","journal-title":"Phytother Res"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib84","doi-asserted-by":"crossref","first-page":"774","DOI":"10.1002\/ptr.1234","article-title":"The effect of papaverine on acute opiate withdrawal in guinea pig ileum","volume":"17","author":"Capasso","year":"2003","journal-title":"Phytother Res"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib85","doi-asserted-by":"crossref","first-page":"1039","DOI":"10.1007\/BF03018370","article-title":"Patient-controlled analgesia with fentanyl provides effective analgesia for second trimester labour: a randomized controlled study","volume":"50","author":"Castro","year":"2003","journal-title":"Can J Anaesth"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib86","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1016\/S0014-2999(03)01462-6","article-title":"Effects of nandrolone on acute morphine responses, tolerance and dependence in mice","volume":"465","author":"Celerier","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib87","doi-asserted-by":"crossref","first-page":"1464","DOI":"10.1213\/01.ANE.0000080153.36643.83","article-title":"Women experience more pain and require more morphine than men to achieve a similar degree of analgesia","volume":"97","author":"Cepeda","year":"2003","journal-title":"Anesth Analg"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib88","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1016\/S0009-9236(03)00152-8","article-title":"Side effects of opioids during short-term administration: effect of age, gender, and race","volume":"74","author":"Cepeda","year":"2003","journal-title":"Clin Pharmacol Ther"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib89","doi-asserted-by":"crossref","first-page":"551","DOI":"10.1016\/S0091-3057(02)01036-5","article-title":"Nitroglycerin inhibits the development of morphine tolerance and dependence in rats","volume":"74","author":"Cha","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib90","first-page":"467","article-title":"Inflammation-induced alternations in local and central Met-enkephalin in mice","volume":"55","author":"Chadzinska","year":"2003","journal-title":"Pol J Pharmacol"},{"issue":"23","key":"10.1016\/j.peptides.2004.09.005_bib91","doi-asserted-by":"crossref","first-page":"13686","DOI":"10.1073\/pnas.2335885100","article-title":"Reciprocal modulation of phospholipase Cbeta isoforms: adaptation to chronic morphine","volume":"100","author":"Chakrabarti","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib92","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1016\/j.molbrainres.2003.09.002","article-title":"Phosphorylation of Gbeta is augmented by chronic morphine and enhances Gbetagamma stimulation of adenylyl cyclase activity","volume":"119","author":"Chakrabarti","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib93","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/s0304-3959(02)00381-0","article-title":"Development of opioid tolerance with repeated transcutaneous electrical nerve stimulation administration","volume":"102","author":"Chandran","year":"2003","journal-title":"Pain"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib94","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1046\/j.1471-4159.2003.01992.x","article-title":"Dopamine-dependent increases in phosphorylation of cAMP response element binding protein (CREB) during precipitated morphine withdrawal in primary cultures of rat striatum","volume":"87","author":"Chartoff","year":"2003","journal-title":"J Neurochem"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib95","doi-asserted-by":"crossref","first-page":"1915","DOI":"10.1046\/j.1460-9568.2003.02912.x","article-title":"Basal and morphine-evoked dopaminergic neurotransmission in the nucleus accumbens of MOR- and DOR-knockout mice","volume":"18","author":"Chefer","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib96","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1007\/s00210-002-0666-3","article-title":"Autoradiographic quantification of neurochemical markers of serotonin, dopamine and opioid systems in rat brain mesolimbic regions following chronic St. John's wort treatment","volume":"367","author":"Chen","year":"2003","journal-title":"Naunyn Schmiedebergs Arch Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib97","doi-asserted-by":"crossref","first-page":"477","DOI":"10.1016\/S0196-9781(03)00078-0","article-title":"Endomorphin-1 and -2 induce naloxone-precipitated withdrawal syndromes in rats","volume":"24","author":"Chen","year":"2003","journal-title":"Peptides"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib98","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1097\/00000542-200301000-00033","article-title":"Spinal nitric oxide contributes to the analgesic effect of intrathecal [d-pen2,d-pen5]-enkephalin in normal and diabetic rats","volume":"98","author":"Chen","year":"2003","journal-title":"Anesthesiology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib99","doi-asserted-by":"crossref","first-page":"1409","DOI":"10.1097\/00000542-200312000-00026","article-title":"Antinociceptive effect of morphine, but not mu opioid receptor number, is attenuated in the spinal cord of diabetic rats","volume":"99","author":"Chen","year":"2003","journal-title":"Anesthesiology"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib100","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1055\/s-2003-39482","article-title":"Release of beta-endorphin by caffeic acid to lower plasma glucose in streptozotocin-induced diabetic rats","volume":"35","author":"Cheng","year":"2003","journal-title":"Horm Metab Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib101","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1016\/S0891-0618(02)00103-5","article-title":"Up-regulation of methionine-enkephalin-like immunoreactivity by 2,3,7,8-tetrachlorodibenzo-p-dioxin treatment in the forebrain of the Long-Evans rat","volume":"25","author":"Cheng","year":"2003","journal-title":"J Chem Neuroanat"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib102","doi-asserted-by":"crossref","first-page":"163","DOI":"10.1016\/s0304-3959(02)00371-8","article-title":"Management of chronic intractable angina \u2014 spinal opioids offer an alternative therapy","volume":"102","author":"Cherry","year":"2003","journal-title":"Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib103","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1016\/S0304-3959(03)00330-0","article-title":"Genotype-dependence of gabapentin and pregabalin sensitivity: the pharmacogenetic mediation of analgesia is specific to the type of pain being inhibited","volume":"106","author":"Chesler","year":"2003","journal-title":"Pain"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib104","first-page":"296","article-title":"Recovery following tonsillectomy a comparison between tramadol and morphine for analgesia","volume":"44","author":"Chew","year":"2003","journal-title":"Singapore Med J"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib105","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1097\/00001756-200302100-00016","article-title":"Prenatal morphine exposure decreases analgesia but not K+ channel activation","volume":"14","author":"Chiou","year":"2003","journal-title":"NeuroReport"},{"issue":"23","key":"10.1016\/j.peptides.2004.09.005_bib106","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1016\/S0014-2999(02)02922-9","article-title":"Morphine as a drug for stress ulcer prevention and healing in the stomach","volume":"460","author":"Cho","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"28","key":"10.1016\/j.peptides.2004.09.005_bib107","doi-asserted-by":"crossref","first-page":"9445","DOI":"10.1523\/JNEUROSCI.23-28-09445.2003","article-title":"The bed nucleus is a neuroanatomical substrate for the anorectic effect of corticotropin-releasing factor and for its reversal by nociceptin\/orphanin FQ","volume":"23","author":"Ciccocioppo","year":"2003","journal-title":"J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib108","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/S0031-9384(03)00112-4","article-title":"The nociceptin\/orphanin FQ\/NOP receptor system as a target for treatment of alcohol abuse: a review of recent work in alcohol-preferring rats","volume":"79","author":"Ciccocioppo","year":"2003","journal-title":"Physiol Behav"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib109","doi-asserted-by":"crossref","first-page":"541","DOI":"10.1016\/S0091-3057(02)01039-0","article-title":"Gender differences in the intravenous self-administration of mu opiate agonists","volume":"74","author":"Cicero","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib110","doi-asserted-by":"crossref","first-page":"1010","DOI":"10.1124\/jpet.102.045575","article-title":"Antinociceptive synergy between delta(9)-tetrahydrocannabinol and opioids after oral administration","volume":"304","author":"Cichewicz","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib111","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1016\/S0014-2999(02)02920-5","article-title":"Enhancement of antinociception by co-administration of an opioid drug (morphine) and a preferential cyclooxygenase-2 inhibitor (rofecoxib) in rats","volume":"460","author":"ciga-Campos","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib112","doi-asserted-by":"crossref","first-page":"479","DOI":"10.1016\/j.neuroscience.2003.07.011","article-title":"Region selective up-regulation of micro-, delta- and kappa-opioid receptors but not opioid receptor-like 1 receptors in the brains of enkephalin and dynorphin knockout mice","volume":"122","author":"Clarke","year":"2003","journal-title":"Neuroscience"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib113","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1016\/S0306-4522(02)00750-9","article-title":"Nociceptin\/orphanin FQ knockout mice display up-regulation of the opioid receptor-like 1 receptor and alterations in opioid receptor expression in the brain","volume":"117","author":"Clarke","year":"2003","journal-title":"Neuroscience"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib114","doi-asserted-by":"crossref","first-page":"117","DOI":"10.1213\/01.ANE.0000066311.40978.4F","article-title":"Pharmacokinetics and bioavailability of single-dose intranasal hydromorphone hydrochloride in healthy volunteers","volume":"97","author":"Coda","year":"2003","journal-title":"Anesth Analg"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib115","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1124\/mol.63.2.283","article-title":"Opioids bind to the amino acids 84 to 118 of UDP-glucuronosyltransferase UGT2B7","volume":"63","author":"Coffman","year":"2003","journal-title":"Mol Pharmacol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib116","doi-asserted-by":"crossref","first-page":"383","DOI":"10.1007\/s00213-002-1374-x","article-title":"Effects of MDMA exposure on the conditioned place preference produced by other drugs of abuse","volume":"166","author":"Cole","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib117","doi-asserted-by":"crossref","first-page":"H2091","DOI":"10.1152\/ajpheart.00843.2002","article-title":"Role of kappa-opioid receptor activation in pharmacological preconditioning of swine","volume":"284","author":"Coles","year":"2003","journal-title":"Am J Physiol Heart Circ Physiol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib118","doi-asserted-by":"crossref","first-page":"383","DOI":"10.1046\/j.1460-9568.2003.02767.x","article-title":"Enkephalin contributes to the locomotor stimulating effects of 3,4-methylenedioxy-N-methylamphetamine","volume":"18","author":"Compan","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib119","doi-asserted-by":"crossref","first-page":"511","DOI":"10.1016\/j.jpain.2003.08.003","article-title":"Withdrawal hyperalgesia after acute opioid physical dependence in nonaddicted humans: a preliminary study","volume":"4","author":"Compton","year":"2003","journal-title":"J Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib120","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/S0091-3057(03)00090-X","article-title":"The modulatory actions of dopamine D2\/3 agonists and antagonists on the locomotor-activating effects of morphine and caffeine in mice","volume":"75","author":"Cook","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"133","key":"10.1016\/j.peptides.2004.09.005_bib121","first-page":"3","article-title":"Buprenorphine: new pharmacological aspects","author":"Cowan","year":"2003","journal-title":"Int J Clin Pract Suppl"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib122","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1016\/S1065-6995(03)00034-9","article-title":"Effect of a single neonatal endorphin treatment on the hormone content of adult rat white blood cells and mast cells","volume":"27","author":"Csaba","year":"2003","journal-title":"Cell Biol Int"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib123","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1016\/S0024-3205(03)00254-6","article-title":"Effect of neonatal beta-endorphin imprinting on sexual behavior and brain serotonin level in adult rats","volume":"73","author":"Csaba","year":"2003","journal-title":"Life Sci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib124","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1016\/S0168-0102(02)00232-8","article-title":"Long-lasting delayed hyperalgesia after chronic restraint stress in rats-effect of morphine administration","volume":"45","author":"da","year":"2003","journal-title":"Neurosci Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib125","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1213\/00000539-200301000-00041","article-title":"Dexmedetomidine fails to cause hyperalgesia after cessation of chronic administration","volume":"96","author":"Davies","year":"2003","journal-title":"Anesth Analg"},{"issue":"Suppl 5","key":"10.1016\/j.peptides.2004.09.005_bib126","doi-asserted-by":"crossref","first-page":"S464","DOI":"10.1086\/377561","article-title":"Adherence to heroin dependence therapies and human immunodeficiency virus\/acquired immunodeficiency syndrome infection rates among drug abusers","volume":"37","author":"De Castro","year":"2003","journal-title":"Clin Infect Dis"},{"issue":"35","key":"10.1016\/j.peptides.2004.09.005_bib127","doi-asserted-by":"crossref","first-page":"11120","DOI":"10.1523\/JNEUROSCI.23-35-11120.2003","article-title":"Analgesia induced by dietary restriction is mediated by the kappa-opioid system","volume":"23","author":"de los Santos-Arteaga","year":"2003","journal-title":"J Neurosci"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib128","doi-asserted-by":"crossref","first-page":"2381","DOI":"10.1046\/j.1460-9568.2003.02676.x","article-title":"Normal sensitivity to acute pain, but increased inflammatory hyperalgesia in mice lacking the nociceptin precursor polypeptide or the nociceptin receptor","volume":"17","author":"Depner","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib129","doi-asserted-by":"crossref","first-page":"796","DOI":"10.1213\/01.ANE.0000048977.66133.D5","article-title":"Continuous epidural infusion of large concentration\/small volume versus small concentration\/large volume of levobupivacaine for postoperative analgesia","volume":"96","author":"Dernedde","year":"2003","journal-title":"Anesth Analg"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib130","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1046\/j.1365-2826.2003.00868.x","article-title":"Nociceptin\/orphanin FQ content is decreased in forebrain neurones during acute stress","volume":"15","author":"Devine","year":"2003","journal-title":"J Neuroendocrinol"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib131","doi-asserted-by":"crossref","first-page":"1381","DOI":"10.1080\/00207450390231437","article-title":"Evidence for a role of dopaminergic mechanisms in the immunostimulating effect of mu-opioid receptor agonist DAGO","volume":"113","author":"Devoino","year":"2003","journal-title":"Int J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib132","doi-asserted-by":"crossref","first-page":"355","DOI":"10.1007\/BF03021032","article-title":"Intrathecal+PCA morphine improves analgesia during the first 24h after major abdominal surgery compared to PCA alone","volume":"50","author":"Devys","year":"2003","journal-title":"Can J Anaesth"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib133","doi-asserted-by":"crossref","first-page":"952","DOI":"10.1037\/0735-7044.117.5.952","article-title":"Differential control over drug-seeking behavior by drug-associated conditioned reinforcers and discriminative stimuli predictive of drug availability","volume":"117","author":"Di Ciano","year":"2003","journal-title":"Behav Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib134","doi-asserted-by":"crossref","first-page":"510","DOI":"10.1038\/sj.npp.1300088","article-title":"The GABA(B) receptor agonist baclofen attenuates cocaine- and heroin-seeking behavior by rats","volume":"28","author":"Di Ciano","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib135","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1016\/S0197-0186(02)00102-X","article-title":"Baclofen reestablishes striatal and cortical dopamine concentrations during naloxone-precipitated withdrawal","volume":"42","author":"Diaz","year":"2003","journal-title":"Neurochem Int"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib136","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1067\/mpd.2003.107","article-title":"Rapid increase of morphine and benzodiazepine usage in the last three days of life in children with cancer is related to neuropathic pain","volume":"142","author":"Dougherty","year":"2003","journal-title":"J Pediatr"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib137","doi-asserted-by":"crossref","first-page":"5268","DOI":"10.1210\/en.2003-0461","article-title":"Neuroendocrine responses to stress in mice: hyporesponsiveness in pregnancy and parturition","volume":"144","author":"Douglas","year":"2003","journal-title":"Endocrinology"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib138","doi-asserted-by":"crossref","first-page":"1903","DOI":"10.1038\/sj.npp.1300276","article-title":"Effects of a dopamine D3 receptor ligand, BP 897, on acquisition and expression of food-, morphine-, and cocaine-induced conditioned place preference, and food-seeking behavior in rats","volume":"28","author":"Duarte","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib139","doi-asserted-by":"crossref","first-page":"1842","DOI":"10.1210\/jc.2002-021416","article-title":"Topography and associations of leu-enkephalin and luteinizing hormone-releasing hormone neuronal systems in the human diencephalon","volume":"88","author":"Dudas","year":"2003","journal-title":"J Clin Endocrinol Metab"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib140","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1016\/S0379-0738(02)00432-2","article-title":"Evaluation of links in heroin seizures","volume":"131","author":"Dujourdy","year":"2003","journal-title":"Forensic Sci Int"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib141","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1016\/S0304-3940(03)00227-1","article-title":"Periodic abstinence enhances nociception without significantly altering the antinociceptive efficacy of spinal morphine in the rat","volume":"344","author":"Dunbar","year":"2003","journal-title":"Neurosci Lett"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib142","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1093\/bja\/aeg187","article-title":"Cross-tolerance between spinal neostigmine and morphine in the rat","volume":"91","author":"Dunbar","year":"2003","journal-title":"Br J Anaesth"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib143","doi-asserted-by":"crossref","first-page":"240","DOI":"10.1002\/cne.10587","article-title":"axonal arborization of rat spinal inner lamina II neurons hyperpolarized by mu-opioid-selective agonists","volume":"458","author":"Eckert","year":"2003","journal-title":"J Comp Neurol"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib144","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/j.ejphar.2003.07.001","article-title":"Effect of morphine, naloxone and histamine system on water intake in adult male rats","volume":"478","author":"Eidi","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib145","doi-asserted-by":"crossref","first-page":"166","DOI":"10.1097\/00000542-200307000-00027","article-title":"Cephalad movement of morphine and fentanyl in humans after intrathecal injection","volume":"99","author":"Eisenach","year":"2003","journal-title":"Anesthesiology"},{"issue":"23","key":"10.1016\/j.peptides.2004.09.005_bib146","doi-asserted-by":"crossref","first-page":"8360","DOI":"10.1523\/JNEUROSCI.23-23-08360.2003","article-title":"Brain region-specific mechanisms for acute morphine-induced mitogen-activated protein kinase modulation and distinct patterns of activation during analgesic tolerance and locomotor sensitization","volume":"23","author":"Eitan","year":"2003","journal-title":"J Neurosci"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib147","doi-asserted-by":"crossref","first-page":"1053","DOI":"10.1046\/j.1523-1747.2003.12569.x","article-title":"Sex differences in opioid-induced enhancement of contact hypersensitivity","volume":"121","author":"Elliott","year":"2003","journal-title":"J Invest Dermatol"},{"issue":"Suppl","key":"10.1016\/j.peptides.2004.09.005_bib148","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1023\/A:1024745705881","article-title":"Reaction of neurons to alkaloid agonists of opioid receptors during modulation of phosphodiesterases","volume":"1","author":"Epstein","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"Suppl","key":"10.1016\/j.peptides.2004.09.005_bib149","first-page":"1130","article-title":"Neurotropic compounds and their antibodies: effect on the brain system of positive emotional reinforcement","volume":"135","author":"Epstein","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"Suppl","key":"10.1016\/j.peptides.2004.09.005_bib150","first-page":"1132","article-title":"Psychoactive compounds and their antibodies: effect on self-stimulation of the lateral hypothalamus in morphinized rats","volume":"135","author":"Epstein","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib151","doi-asserted-by":"crossref","first-page":"723","DOI":"10.1016\/S0091-3057(02)01070-5","article-title":"Smoked heroin in rhesus monkeys: effects of heroin extinction and fluid availability on measures of heroin seeking","volume":"74","author":"Evans","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib152","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1556\/ABiol.54.2003.2.4","article-title":"Upregulation of mu opioid receptors by voluntary morphine administration in drinking water","volume":"54","author":"Fabian","year":"2003","journal-title":"Acta Biol Hung"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib153","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1002\/syn.10238","article-title":"Baclofen antagonizes nicotine-, cocaine-, and morphine-induced dopamine release in the nucleus accumbens of rat","volume":"50","author":"Fadda","year":"2003","journal-title":"Synapse"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib154","doi-asserted-by":"crossref","first-page":"2212","DOI":"10.1046\/j.1460-9568.2003.02636.x","article-title":"Temporal upregulation of prodynorphin mRNA in the primate striatum after cocaine self-administration","volume":"17","author":"Fagergren","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib155","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1530\/rep.0.1250469","article-title":"Interaction among beta-endorphin, nitric oxide and prostaglandins during ovulation in rats","volume":"125","author":"Faletti","year":"2003","journal-title":"Reproduction"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib156","doi-asserted-by":"crossref","first-page":"1063","DOI":"10.1016\/S0306-4522(03)00299-9","article-title":"Changes in the brain kappa-opioid receptor levels of rats in withdrawal from physical dependence upon butorphanol","volume":"121","author":"Fan","year":"2003","journal-title":"Neuroscience"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib157","doi-asserted-by":"crossref","first-page":"383","DOI":"10.1016\/S0306-4522(02)00930-2","article-title":"Differential regulation of beta-arrestin 1 and beta-arrestin 2 gene expression in rat brain by morphine","volume":"117","author":"Fan","year":"2003","journal-title":"Neuroscience"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib158","doi-asserted-by":"crossref","first-page":"997","DOI":"10.1016\/j.neuroscience.2003.08.062","article-title":"Chronic morphine treatment and withdrawal induce up-regulation of c-Jun N-terminal kinase 3 gene expression in rat brain","volume":"122","author":"Fan","year":"2003","journal-title":"Neuroscience"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib159","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/S1043-6618(02)00267-0","article-title":"Intravenous administration of the food-derived opioid peptide gluten exorphin B5 stimulates prolactin secretion in rats","volume":"47","author":"Fanciulli","year":"2003","journal-title":"Pharmacol Res"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib160","doi-asserted-by":"crossref","first-page":"H1693","DOI":"10.1152\/ajpheart.00730.2002","article-title":"Cardiac enkephalins interrupt vagal bradycardia via delta 2-opioid receptors in sinoatrial node","volume":"284","author":"Farias","year":"2003","journal-title":"Am J Physiol Heart Circ Physiol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib161","doi-asserted-by":"crossref","first-page":"H2001","DOI":"10.1152\/ajpheart.00275.2003","article-title":"Cardiac enkephalins attenuate vagal bradycardia: interactions with NOS-1-cGMP systems in canine sinoatrial node","volume":"285","author":"Farias","year":"2003","journal-title":"Am J Physiol Heart Circ Physiol"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib162","doi-asserted-by":"crossref","first-page":"1723","DOI":"10.1046\/j.1460-9568.2003.02607.x","article-title":"Cannabinoid mechanism in reinstatement of heroin-seeking after a long period of abstinence in rats","volume":"17","author":"Fattore","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib163","doi-asserted-by":"crossref","first-page":"336","DOI":"10.1007\/BF03021029","article-title":"Non-opioid analgesia improves pain relief and decreases sedation after gastric bypass surgery","volume":"50","author":"Feld","year":"2003","journal-title":"Can J Anaesth"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib164","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1016\/S0304-3959(03)00318-X","article-title":"Initial pharmacokinetic, safety and efficacy evaluation of nasal morphine gluconate for breakthrough pain in cancer patients","volume":"106","author":"Fitzgibbon","year":"2003","journal-title":"Pain"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib165","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1213\/01.ANE.0000066355.07482.0C","article-title":"A comparison of intrathecal opioid and intravenous analgesia for the incidence of cardiovascular, respiratory, and renal complications after abdominal aortic surgery","volume":"97","author":"Fleron","year":"2003","journal-title":"Anesth Analg"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib166","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1002\/mpo.10254","article-title":"Characteristics and adequacy of intravenous morphine infusions in children in a paediatric oncology setting","volume":"40","author":"Flogegard","year":"2003","journal-title":"Med Pediatr Oncol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib167","doi-asserted-by":"crossref","first-page":"769","DOI":"10.1016\/S0306-4522(02)01000-X","article-title":"Sex-related differences in the distribution of opioid receptor-like 1 receptor mRNA and colocalization with estrogen receptor mRNA in neurons of the spinal trigeminal nucleus caudalis in the rat","volume":"118","author":"Flores","year":"2003","journal-title":"Neuroscience"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib168","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1080\/1355621031000117446","article-title":"Naltrexone implants can completely prevent early (1-month) relapse after opiate detoxification: a pilot study of two cohorts totalling 101 patients with a note on naltrexone blood levels","volume":"8","author":"Foster","year":"2003","journal-title":"Addict Biol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib169","doi-asserted-by":"crossref","first-page":"875","DOI":"10.1016\/S0306-4522(03)00485-8","article-title":"Reduced sodium appetite and increased oxytocin gene expression in mutant mice lacking beta-endorphin","volume":"121","author":"Franchini","year":"2003","journal-title":"Neuroscience"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib170","doi-asserted-by":"crossref","first-page":"5","DOI":"10.1080\/J354v17n02_02","article-title":"A one year health economic model comparing transdermal fentanyl with sustained-release morphine in the treatment of chronic noncancer pain","volume":"17","author":"Frei","year":"2003","journal-title":"J Pain Palliat Care Pharmacother"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib171","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/S0304-3959(02)00469-4","article-title":"Modulation of visceral hyperalgesia by morphine and cholecystokinin from the rat rostroventral medial medulla","volume":"104","author":"Friedrich","year":"2003","journal-title":"Pain"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib172","doi-asserted-by":"crossref","first-page":"2480","DOI":"10.2337\/diacare.26.8.2480","article-title":"Reduced level of opioid peptides, hemorphin-7 peptides, in serum of diabetic patients","volume":"26","author":"Fruiter-Arnaudin","year":"2003","journal-title":"Diabetes Care"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib173","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/S0378-4320(03)00118-0","article-title":"The effect of small doses of naloxone on the initiation and duration of the first estrus after weaning in sows","volume":"79","author":"Fuentes","year":"2003","journal-title":"Anim Reprod Sci"},{"issue":"22","key":"10.1016\/j.peptides.2004.09.005_bib174","doi-asserted-by":"crossref","first-page":"2873","DOI":"10.1016\/S0024-3205(03)00700-8","article-title":"Spinally delivered N-, P\/Q- and L-type Ca2+-channel blockers potentiate morphine analgesia in mice","volume":"73","author":"Fukuizumi","year":"2003","journal-title":"Life Sci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib175","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1016\/S0304-3959(02)00321-4","article-title":"Characterization of the analgesic actions of adenosine: comparison of adenosine and remifentanil infusions in patients undergoing major surgical procedures","volume":"101","author":"Fukunaga","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib176","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1097\/00002060-200302000-00001","article-title":"Immediate influence of transcranial electrostimulation on pain and beta-endorphin blood levels: an active placebo-controlled study","volume":"82","author":"Gabis","year":"2003","journal-title":"Am J Phys Med Rehabil"},{"issue":"23","key":"10.1016\/j.peptides.2004.09.005_bib177","doi-asserted-by":"crossref","first-page":"8271","DOI":"10.1523\/JNEUROSCI.23-23-08271.2003","article-title":"Neurokinin-1 receptor-expressing neurons in the amygdala modulate morphine reward and anxiety behaviors in the mouse","volume":"23","author":"Gadd","year":"2003","journal-title":"J Neurosci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib178","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1016\/S0304-3959(02)00327-5","article-title":"Age differences in postoperative pain are scale dependent: a comparison of measures of pain intensity and quality in younger and older surgical patients","volume":"103","author":"Gagliese","year":"2003","journal-title":"Pain"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib179","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1037\/1064-1297.11.1.79","article-title":"Repeated spatial acquisition: effects of NMDA antagonists and morphine","volume":"11","author":"Galizio","year":"2003","journal-title":"Exp Clin Psychopharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib180","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1046\/j.1526-4637.2003.03002.x","article-title":"Effectiveness and safety of new oxycodone\/acetaminophen formulations with reduced acetaminophen for the treatment of low back pain","volume":"4","author":"Gammaitoni","year":"2003","journal-title":"Pain Med"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib181","doi-asserted-by":"crossref","first-page":"421","DOI":"10.1007\/s00210-003-0801-9","article-title":"Modulation of Fas receptor proteins and dynamin during opiate addiction and induction of opiate withdrawal in rat brain","volume":"368","author":"Garcia-Fuster","year":"2003","journal-title":"Naunyn Schmiedebergs Arch Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib182","doi-asserted-by":"crossref","first-page":"787","DOI":"10.1016\/S0306-4522(02)00975-2","article-title":"Morphine induction of c-fos expression in the rat forebrain through glutamatergic mechanisms: role of non-N-methyl-d-aspartate receptors","volume":"119","author":"Garcia","year":"2003","journal-title":"Neuroscience"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib183","doi-asserted-by":"crossref","first-page":"1299","DOI":"10.1124\/jpet.102.043471","article-title":"Up-regulation of regulator of G protein signaling 4 expression in a model of neuropathic pain and insensitivity to morphine","volume":"304","author":"Garnier","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"7\u20138","key":"10.1016\/j.peptides.2004.09.005_bib184","doi-asserted-by":"crossref","first-page":"1132","DOI":"10.1345\/aph.1C475","article-title":"Intraspinal use of morphine","volume":"37","author":"Gaudette","year":"2003","journal-title":"Ann Pharmacother"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib185","doi-asserted-by":"crossref","first-page":"1221","DOI":"10.1124\/jpet.103.054361","article-title":"DPI-3290 [(+)-3-((alpha-R)-alpha-((2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl)-3-hyd roxybenzyl)-N-(3-fluorophenyl)-N-methylbenzamide]","volume":"307","author":"Gengo","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib186","doi-asserted-by":"crossref","first-page":"1227","DOI":"10.1124\/jpet.103.054429","article-title":"DPI-3290 [(+)-3-((alpha-R)-alpha-((2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl)-3-hyd roxybenzyl)-N-(3-fluorophenyl)-N-methylbenzamide]","volume":"307","author":"Gengo","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib187","doi-asserted-by":"crossref","first-page":"3106","DOI":"10.1523\/JNEUROSCI.23-08-03106.2003","article-title":"Involvement of the lateral hypothalamic peptide orexin in morphine dependence and withdrawal","volume":"23","author":"Georgescu","year":"2003","journal-title":"J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib188","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1007\/s00213-002-1268-y","article-title":"Discriminative stimulus and antinociceptive effects of dihydroetorphine in rhesus monkeys","volume":"166","author":"Gerak","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib189","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1016\/j.euroneuro.2003.08.003","article-title":"Drug dependence and the endogenous opioid system","volume":"13","author":"Gerrits","year":"2003","journal-title":"Eur Neuropsychopharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib190","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1186\/1471-2210-3-1","article-title":"Activity of opioid ligands in cells expressing cloned mu opioid receptors","volume":"3","author":"Gharagozlou","year":"2003","journal-title":"BMC Pharmacol"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib191","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/S0014-2999(02)02696-1","article-title":"Nitric oxide within the ventral tegmental area is involved in mediating morphine reward","volume":"458","author":"Gholami","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib192","doi-asserted-by":"crossref","first-page":"410","DOI":"10.1097\/01.ALC.0000056614.96137.B8","article-title":"Effect of chronic alcohol consumption on the activity of the hypothalamic\u2013pituitary\u2013adrenal axis and pituitary beta-endorphin as a function of alcohol intake, age, and gender","volume":"27","author":"Gianoulakis","year":"2003","journal-title":"Alcohol Clin Exp Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib193","doi-asserted-by":"crossref","first-page":"379","DOI":"10.1111\/j.1651-2227.2003.tb00561.x","article-title":"Strabismus in infants of opiate-dependent mothers","volume":"92","author":"Gill","year":"2003","journal-title":"Acta Paediatr"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib194","doi-asserted-by":"crossref","first-page":"1288","DOI":"10.1097\/00000542-200305000-00037","article-title":"Gabapentin blocks and reverses antinociceptive morphine tolerance in the rat paw-pressure and tail-flick tests","volume":"98","author":"Gilron","year":"2003","journal-title":"Anesthesiology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib195","doi-asserted-by":"crossref","first-page":"927","DOI":"10.1212\/01.WNL.0000057720.36503.2C","article-title":"Controlled-release oxycodone for pain in diabetic neuropathy: a randomized controlled trial","volume":"60","author":"Gimbel","year":"2003","journal-title":"Neurology"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib196","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1046\/j.1526-4637.2003.03004.x","article-title":"Conversion to oral controlled-release oxycodone from intravenous opioid analgesic in the postoperative setting","volume":"4","author":"Ginsberg","year":"2003","journal-title":"Pain Med"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib197","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1016\/S0009-9236(03)00199-1","article-title":"Pharmacokinetics of high doses of intramuscular and oral heroin in narcotic addicts","volume":"74","author":"Girardin","year":"2003","journal-title":"Clin Pharmacol Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib198","doi-asserted-by":"crossref","first-page":"495","DOI":"10.1136\/jnnp.74.4.495","article-title":"Beta endorphin concentrations in PBMC of patients with different clinical phenotypes of multiple sclerosis","volume":"74","author":"Gironi","year":"2003","journal-title":"J Neurol Neurosurg Psychiatry"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib199","doi-asserted-by":"crossref","first-page":"971","DOI":"10.1046\/j.1460-9568.2003.02529.x","article-title":"Regulation of RGS proteins by chronic morphine in rat locus coeruleus","volume":"17","author":"Gold","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib200","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1254\/jphs.92.50","article-title":"Matricaria chamomilla extract inhibits both development of morphine dependence and expression of abstinence syndrome in rats","volume":"92","author":"Gomaa","year":"2003","journal-title":"J Pharmacol Sci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib201","doi-asserted-by":"crossref","first-page":"626","DOI":"10.1038\/sj.bjp.0705093","article-title":"Activation of c-fos expression in the heart after morphine but not U-50,488H withdrawal","volume":"138","author":"Gonzalez-Cuello","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib202","doi-asserted-by":"crossref","first-page":"577","DOI":"10.1016\/S0091-3057(03)00115-1","article-title":"Effects of perinatal exposure to delta 9-tetrahydrocannabinol on operant morphine-reinforced behavior","volume":"75","author":"Gonzalez","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib203_1","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1016\/S0169-328X(03)00126-8","article-title":"Characterization of zebrafish proenkephalin reveals novel opioid sequences","volume":"114","author":"Gonzalez","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib203_2","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1080\/1355621031000117383","article-title":"Region-dependent changes in endocannabinoid transmission in the brain of morphine-dependent rats","volume":"8","author":"Gonzalez","year":"2003","journal-title":"Addict Biol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib204","doi-asserted-by":"crossref","first-page":"188","DOI":"10.1097\/00000542-200307000-00029","article-title":"Safety of chronic intrathecal morphine infusion in a sheep model","volume":"99","author":"Gradert","year":"2003","journal-title":"Anesthesiology"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib205","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1007\/s00213-003-1442-x","article-title":"A new progressive ratio schedule for support of morphine self-administration in opiate dependent rats","volume":"168","author":"Grasing","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib206","doi-asserted-by":"crossref","first-page":"240","DOI":"10.1016\/S0006-8993(03)03442-5","article-title":"Interrelationships between mu opioid and melanocortin receptors in mediating food intake in rats","volume":"991","author":"Grossman","year":"2003","journal-title":"Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib207","doi-asserted-by":"crossref","first-page":"100","DOI":"10.1016\/j.molbrainres.2003.08.019","article-title":"Anti-mu opioid antiserum against the third external loop of the cloned mu-opioid receptor acts as a mu receptor neutral antagonist","volume":"119","author":"Guarna","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib208","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/S0304-3959(03)00007-1","article-title":"DPDPE-UK14,304 synergy is retained in mu opioid receptor knockout mice","volume":"104","author":"Guo","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib209","doi-asserted-by":"crossref","first-page":"738","DOI":"10.1124\/jpet.102.042689","article-title":"Influence of ovarian sex steroids on spinal methionine-enkephalin release: comparison with dynorphin reveals asymmetrical regulation","volume":"304","author":"Gupta","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib210","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1016\/j.neulet.2003.08.020","article-title":"Interactions of acute morphine with chronic imipramine and fluvoxamine treatment on the antinociceptive effect in arthritic rats","volume":"352","author":"Gutierrez","year":"2003","journal-title":"Neurosci Lett"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib211","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1159\/000068811","article-title":"Evaluating long-term effects of heroin-assisted treatment: the results of a 6-year follow-up","volume":"9","author":"Guttinger","year":"2003","journal-title":"Eur Addict Res"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib212","doi-asserted-by":"crossref","first-page":"1207","DOI":"10.1211\/0022357021774","article-title":"Analgesic effects of intra-nasal enkephalins","volume":"55","author":"Gwak","year":"2003","journal-title":"J Pharm Pharmacol"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib213","doi-asserted-by":"crossref","first-page":"4324","DOI":"10.1523\/JNEUROSCI.23-10-04324.2003","article-title":"Morphine acutely regulates opioid receptor trafficking selectively in dendrites of nucleus accumbens neurons","volume":"23","author":"Haberstock-Debic","year":"2003","journal-title":"J Neurosci"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib214_1","doi-asserted-by":"crossref","first-page":"575","DOI":"10.1016\/S0028-3908(03)00205-3","article-title":"Modulation of GABA release during morphine withdrawal in midbrain neurons in vitro","volume":"45","author":"Hack","year":"2003","journal-title":"Neuropharmacology"},{"key":"10.1016\/j.peptides.2004.09.005_bib214_2","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/S0006-8993(03)03342-0","article-title":"Feeding induced by food deprivation is differentially reduced by opioid receptor antisense oligodeoxynucleotide probes in rats","volume":"987","author":"Hadjimarkou","year":"2003","journal-title":"Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib215","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1016\/S0304-3940(03)00951-0","article-title":"Distribution of mu receptors in the ventral respiratory group neurons; immunohistochemical and pharmacological studies in decerebrate cats","volume":"351","author":"Haji","year":"2003","journal-title":"Neurosci Lett"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib216","doi-asserted-by":"crossref","first-page":"368","DOI":"10.1016\/S0028-3908(03)00154-0","article-title":"Biphasic effects of morphine on bulbar respiratory neuronal activities in decerebrate cats","volume":"45","author":"Haji","year":"2003","journal-title":"Neuropharmacology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib217","doi-asserted-by":"crossref","first-page":"263","DOI":"10.1136\/emj.20.3.263","article-title":"Towards evidence based emergency medicine: best BETs from the Manchester Royal Infirmary","volume":"20","author":"Halford","year":"2003","journal-title":"Emerg Med J"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib218","doi-asserted-by":"crossref","first-page":"114","DOI":"10.1034\/j.1601-183X.2003.00016.x","article-title":"Congenic C57BL\/6 mu opiate receptor (MOR) knockout mice: baseline and opiate effects","volume":"2","author":"Hall","year":"2003","journal-title":"Genes Brain Behav"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib219","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1046\/j.1365-2125.2003.01727.x","article-title":"Comparative study of analgesic efficacy and morphine-sparing effect of intramuscular dexketoprofen trometamol with ketoprofen or placebo after major orthopaedic surgery","volume":"55","author":"Hanna","year":"2003","journal-title":"Br J Clin Pharmacol"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib220","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1016\/s0304-3959(02)00346-9","article-title":"Transgene-mediated enkephalin release enhances the effect of morphine and evades tolerance to produce a sustained antiallodynic effect in neuropathic pain","volume":"102","author":"Hao","year":"2003","journal-title":"Pain"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib221","doi-asserted-by":"crossref","first-page":"719","DOI":"10.1016\/S1065-6995(03)00141-0","article-title":"Morphine alleviates early stages of apoptosis in cultured CEM x174 cells infected with simian immunodeficiency virus","volume":"27","author":"Hao","year":"2003","journal-title":"Cell Biol Int"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib222","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1385\/CT:3:2:141","article-title":"Cocaine, not morphine, causes the generation of reactive oxygen species and activation of NF-kappaB in transiently cotransfected heart cells","volume":"3","author":"Hargrave","year":"2003","journal-title":"Cardiovasc Toxicol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib223","doi-asserted-by":"crossref","first-page":"292","DOI":"10.1038\/sj.npp.1300037","article-title":"Enhanced morphine preference following prolonged abstinence: association with increased Fos expression in the extended amygdala","volume":"28","author":"Harris","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib224_1","doi-asserted-by":"crossref","first-page":"865","DOI":"10.1038\/sj.npp.1300122","article-title":"Altered motivation and learning following opiate withdrawal: evidence for prolonged dysregulation of reward processing","volume":"28","author":"Harris","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib224_2","doi-asserted-by":"crossref","first-page":"248","DOI":"10.1191\/0269216303pm695oa","article-title":"Intravenous morphine for rapid control of severe cancer pain","volume":"17","author":"Harris","year":"2003","journal-title":"Palliat Med"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib225","doi-asserted-by":"crossref","first-page":"1302","DOI":"10.1016\/S0278-2391(03)00732-8","article-title":"Characterization and opioid modulation of inflammatory temporomandibular joint pain in the rat","volume":"61","author":"Hartwig","year":"2003","journal-title":"J Oral Maxillofac Surg"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib226","first-page":"467","article-title":"Comparison of ketorolac with morphine for intra-operative analgesia in patients undergoing total abdominal hysterectomy","volume":"53","author":"Hasan","year":"2003","journal-title":"J Pak Med Assoc"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib227","doi-asserted-by":"crossref","first-page":"342","DOI":"10.1007\/s00210-003-0704-9","article-title":"Effects of nociceptin\/orphanin FQ receptor ligands on blood pressure, heart rate, and plasma catecholamine concentrations in guinea pigs","volume":"367","author":"Hashiba","year":"2003","journal-title":"Naunyn Schmiedebergs Arch Pharmacol"},{"issue":"23","key":"10.1016\/j.peptides.2004.09.005_bib228","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/S0014-2999(03)01419-5","article-title":"Chronic [d-Ala2, d-Leu5]enkephalin treatment increases the nerve growth factor in adult mouse brain","volume":"464","author":"Hayashi","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib229","doi-asserted-by":"crossref","first-page":"R306","DOI":"10.1152\/ajpregu.00760.2002","article-title":"Lactoferrin enhances opioid-mediated analgesia via nitric oxide in the rat spinal cord","volume":"285","author":"Hayashida","year":"2003","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib230","doi-asserted-by":"crossref","first-page":"165","DOI":"10.1016\/S0165-0270(03)00078-5","article-title":"A double-lumen intrathecal catheter for studies of modulation of spinal opiate tolerance","volume":"126","author":"Hayes","year":"2003","journal-title":"J Neurosci Methods"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib231","doi-asserted-by":"crossref","first-page":"20","DOI":"10.1016\/S0006-8993(02)04221-X","article-title":"Central d-Ala2-Met5-enkephalinamide mu\/delta-opioid receptor activation blocks behavioral sensitization to cholecystokinin in CD-1 mice","volume":"970","author":"Hebb","year":"2003","journal-title":"Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib232","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/S0006-8993(02)04220-8","article-title":"Central d-Ala2-Met5-enkephalinamide mu\/delta-opioid receptor activation reverses the anxiogenic-like properties of cholecystokinin on locomotor and rearing activity in CD-1 mice","volume":"970","author":"Hebb","year":"2003","journal-title":"Brain Res"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib233","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/S0006-8993(02)04220-8","article-title":"Central d-Ala2-Met5-enkephalinamide mu\/delta-opioid receptor activation reverses the anxiogenic-like properties of cholecystokinin on locomotor and rearing activity in CD-1 mice","volume":"970","author":"Hebb","year":"2003","journal-title":"Brain Res"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib234","doi-asserted-by":"crossref","first-page":"813","DOI":"10.1016\/S0024-3205(03)00412-0","article-title":"Orphanin FQ\/nociceptin: from neural circuitry to behavior","volume":"73","author":"Heinricher","year":"2003","journal-title":"Life Sci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib235","doi-asserted-by":"crossref","first-page":"458","DOI":"10.1016\/S0014-4886(03)00064-5","article-title":"Increased striatal pre-proenkephalin B expression is associated with dyskinesia in Parkinson's disease","volume":"183","author":"Henry","year":"2003","journal-title":"Exp Neurol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib236","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1002\/ajmg.b.10054","article-title":"Association between the cortisol response to opioid blockade and the Asn40Asp polymorphism at the mu-opioid receptor locus (OPRM1)","volume":"118B","author":"Hernandez-Avila","year":"2003","journal-title":"Am J Med Genet"},{"issue":"1\u20133","key":"10.1016\/j.peptides.2004.09.005_bib237","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1016\/S0014-2999(03)01727-8","article-title":"Morphine and dipyrone co-administration delays tolerance development and potentiates antinociception","volume":"469","author":"Hernandez-Delgadillo","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib238","doi-asserted-by":"crossref","first-page":"891","DOI":"10.1097\/00003643-200311000-00006","article-title":"Intraperitoneal application of bupivacaine plus morphine for pain relief after laparoscopic cholecystectomy","volume":"20","author":"Hernandez-Palazon","year":"2003","journal-title":"Eur J Anaesthesiol"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib239","doi-asserted-by":"crossref","first-page":"1537","DOI":"10.1016\/S0024-3205(03)00479-X","article-title":"Differences of mu-opioid receptors between Lewis and F344 rats","volume":"73","author":"Herradon","year":"2003","journal-title":"Life Sci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib240","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1213\/01.ANE.0000066520.30763.B8","article-title":"Small dose bupivacaine-fentanyl spinal analgesia combined with morphine for labor","volume":"97","author":"Hess","year":"2003","journal-title":"Anesth Analg"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib241","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1046\/j.1360-0443.2003.00294.x","article-title":"Trends in drug overdose deaths in England and Wales 1993\u20131998: methadone does not kill more people than heroin","volume":"98","author":"Hickman","year":"2003","journal-title":"Addiction"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib242","doi-asserted-by":"crossref","first-page":"6169","DOI":"10.1073\/pnas.0631749100","article-title":"Acetylcholine enhancement in the nucleus accumbens prevents addictive behaviors of cocaine and morphine","volume":"100","author":"Hikida","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib243","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1016\/S0304-3940(03)00099-5","article-title":"Lack of an interaction between orexinergic and opioid\/nociceptinergic systems in rat cerebrocortical slices","volume":"340","author":"Hirota","year":"2003","journal-title":"Neurosci Lett"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib244","doi-asserted-by":"crossref","first-page":"643","DOI":"10.1097\/00000542-200303000-00012","article-title":"Comparative analysis of apoptosis-inducing activity of codeine and codeinone","volume":"98","author":"Hitosugi","year":"2003","journal-title":"Anesthesiology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib245","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/S1090-3801(02)00074-5","article-title":"Epidural ketamine potentiates epidural morphine but not fentanyl in acute nociception in rats","volume":"7","author":"Hoffmann","year":"2003","journal-title":"Eur J Pain"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib246","doi-asserted-by":"crossref","first-page":"933","DOI":"10.1016\/S0091-3057(03)00020-0","article-title":"Effects of NMDA receptor antagonists on opioid-induced respiratory depression and acute antinociception in rats","volume":"74","author":"Hoffmann","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib247","doi-asserted-by":"crossref","first-page":"40","DOI":"10.1046\/j.1365-2249.2003.02103.x","article-title":"Augmented production of proinflammatory cytokines and accelerated allotransplantation reactions in heroin-treated mice","volume":"132","author":"Holan","year":"2003","journal-title":"Clin Exp Immunol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib248","doi-asserted-by":"crossref","first-page":"325","DOI":"10.3109\/713745175","article-title":"The effects of flumazenil on the antinociceptive actions of morphine in rats","volume":"9","author":"Holtman","year":"2003","journal-title":"Receptors Channels"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib249","doi-asserted-by":"crossref","first-page":"285","DOI":"10.1016\/j.pbb.2003.08.007","article-title":"Sex-related differences in the enhancement of morphine antinociception by NMDA receptor antagonists in rats","volume":"76","author":"Holtman","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib250","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/S0014-2999(03)01782-5","article-title":"Modification of morphine analgesia and tolerance by flumazenil in male and female rats","volume":"470","author":"Holtman","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib251","doi-asserted-by":"crossref","first-page":"1033","DOI":"10.1124\/jpet.102.044875","article-title":"Discrimination of a single dose of morphine followed by naltrexone: substitution of other agonists for morphine and other antagonists for naltrexone in a rat model of acute dependence","volume":"304","author":"Holtzman","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib252","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1097\/00008877-200303000-00003","article-title":"The effects of FK506 on the development and expression of morphine tolerance and dependence in mice","volume":"14","author":"Homayoun","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib253","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1097\/00008877-200302000-00004","article-title":"Morphine state-dependent learning: interactions with alpha2-adrenoceptors and acute stress","volume":"14","author":"Homayoun","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"45","key":"10.1016\/j.peptides.2004.09.005_bib254","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1016\/S0031-9384(03)00140-9","article-title":"The selective role of nitric oxide in opioid-mediated footshock stress antinociception in mice","volume":"79","author":"Homayoun","year":"2003","journal-title":"Physiol Behav"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib255","doi-asserted-by":"crossref","first-page":"287","DOI":"10.1093\/bja\/aeg164","article-title":"Effect of intravenous alizapride on spinal morphine-induced pruritus","volume":"91","author":"Horta","year":"2003","journal-title":"Br J Anaesth"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib256","doi-asserted-by":"crossref","first-page":"291","DOI":"10.1016\/S0014-2999(02)02813-3","article-title":"Evaluation of endomorphin-1 on the activity of Na(+),K(+)-ATPase using in vitro and in vivo studies","volume":"458","author":"Horvath","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib257","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1016\/S0006-8993(02)03927-6","article-title":"Nociceptin immunoreactivity and receptor mRNA in the human trigeminal ganglion","volume":"964","author":"Hou","year":"2003","journal-title":"Brain Res"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib258","doi-asserted-by":"crossref","first-page":"1960","DOI":"10.1038\/sj.npp.1300271","article-title":"Intermittent morphine administration induces dependence and is a chronic stressor in rats","volume":"28","author":"Houshyar","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib259","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1016\/S0304-3940(03)00831-0","article-title":"Ischemia\/reperfusion-induced changes of hypothalamic\u2013pituitary\u2013adrenal (HPA) activity is opioid related in Sprague\u2013Dawley rat","volume":"349","author":"Hsueh","year":"2003","journal-title":"Neurosci Lett"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib260","doi-asserted-by":"crossref","first-page":"614","DOI":"10.1002\/jnr.10780","article-title":"Decrease of morphine-induced reward effects and withdrawal symptoms in mice overexpressing gamma-aminobutyric acid transporter I","volume":"74","author":"Hu","year":"2003","journal-title":"J Neurosci Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib261","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/S0304-3940(03)00863-2","article-title":"Nocistatin potentiates electroacupuncture antinociceptive effects and reverses chronic tolerance to electroacupuncture in mice","volume":"350","author":"Huang","year":"2003","journal-title":"Neurosci Lett"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib262","doi-asserted-by":"crossref","first-page":"386","DOI":"10.1007\/s00210-003-0803-7","article-title":"Co-administration of dextromethorphan with morphine attenuates morphine rewarding effect and related dopamine releases at the nucleus accumbens","volume":"368","author":"Huang","year":"2003","journal-title":"Naunyn Schmiedebergs Arch Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib263","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/S0304-3940(03)00355-0","article-title":"Melatonin enhances lymphocyte proliferation and decreases the release of pituitary pro-opiomelanocortin-derived peptides in surgically traumatized rats","volume":"343","author":"Huang","year":"2003","journal-title":"Neurosci Lett"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib264","doi-asserted-by":"crossref","first-page":"137","DOI":"10.2174\/1389557033405395","article-title":"Opioid ligands having delayed long-term antagonist activity: potential pharmacotherapies for opioid abuse","volume":"3","author":"Husbands","year":"2003","journal-title":"Mini Rev Med Chem"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib265","doi-asserted-by":"crossref","first-page":"689","DOI":"10.1038\/sj.bjp.0705102","article-title":"Spinal amino acid release and repeated withdrawal in spinal morphine tolerant rats","volume":"138","author":"Ibuki","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib266","doi-asserted-by":"crossref","first-page":"482","DOI":"10.1016\/S0028-3908(03)00024-8","article-title":"Mu-opioid receptor activation prevents apoptosis following serum withdrawal in differentiated SH-SY5Y cells and cortical neurons via phosphatidylinositol 3-kinase","volume":"44","author":"Iglesias","year":"2003","journal-title":"Neuropharmacology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib267","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1080\/1355621031000117400","article-title":"Selective delta-opioid receptor antagonist N,N(CH3)2-Dmt-Tic-OH does not reduce ethanol intake in alcohol-preferring AA rats","volume":"8","author":"Ingman","year":"2003","journal-title":"Addict Biol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib268","doi-asserted-by":"crossref","first-page":"495","DOI":"10.1124\/jpet.102.046326","article-title":"In vivo pain-inhibitory role of nociceptin\/orphanin FQ in spinal cord","volume":"305","author":"Inoue","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib269","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1124\/jpet.103.049361","article-title":"Nocistatin and prepro-nociceptin\/orphanin FQ 160\u2013187 cause nociception through activation of Gi\/o in capsaicin-sensitive and of Gs in capsaicin-insensitive nociceptors, respectively","volume":"306","author":"Inoue","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"16","key":"10.1016\/j.peptides.2004.09.005_bib270","doi-asserted-by":"crossref","first-page":"6529","DOI":"10.1523\/JNEUROSCI.23-16-06529.2003","article-title":"Locus-specific rescue of GluRepsilon1 NMDA receptors in mutant mice identifies the brain regions important for morphine tolerance and dependence","volume":"23","author":"Inoue","year":"2003","journal-title":"J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib271","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1016\/S0306-4522(02)00815-1","article-title":"Long-term alteration in bodyweight and food restriction does not affect the gene expression of either preproorexin or prodynorphin in the sheep","volume":"118","author":"Iqbal","year":"2003","journal-title":"Neuroscience"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib272","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1016\/S0167-0115(02)00218-5","article-title":"Effects of morphine administration and its withdrawal on rat brain aminopeptidase activities","volume":"110","author":"Irazusta","year":"2003","journal-title":"Regul Pept"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib273","doi-asserted-by":"crossref","first-page":"461","DOI":"10.1007\/s00429-003-0314-9","article-title":"Colocalization of estrogen beta-receptor messenger RNA with orphanin FQ, vasopressin and oxytocin in the rat hypothalamic paraventricular and supraoptic nuclei","volume":"206","author":"Isgor","year":"2003","journal-title":"Anat Embryol (Berl)"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib274","doi-asserted-by":"crossref","first-page":"H101","DOI":"10.1152\/ajpheart.00457.2002","article-title":"PTK, MAPK, and NOC\/oFQ impair hypercapnic cerebrovasodilation after hypoxia\/ischemia","volume":"284","author":"Jagolino","year":"2003","journal-title":"Am J Physiol Heart Circ Physiol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib275","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1159\/000067802","article-title":"Sildenafil, a phosphodiesterase-5 inhibitor, enhances the antinociceptive effect of morphine","volume":"67","author":"Jain","year":"2003","journal-title":"Pharmacology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib276","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/S0304-3940(03)00524-X","article-title":"Acetyl-RYYRIK-NH2, a purported orphanin FQ antagonist, does not block the orphanin FQ-induced prolactin secretory response in female rats","volume":"345","author":"Janik","year":"2003","journal-title":"Neurosci Lett"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib277","doi-asserted-by":"crossref","first-page":"3663","DOI":"10.1210\/en.2002-0188","article-title":"Seasonal plasticity within the gonadotropin-releasing hormone (GnRH) system of the ewe: changes in identified GnRH inputs and glial association","volume":"144","author":"Jansen","year":"2003","journal-title":"Endocrinology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib278","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/S0169-328X(03)00319-X","article-title":"MK-801 attenuates cocaine induction of c-fos and preprodynorphin mRNA levels in Fischer rats","volume":"117","author":"Jenab","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib279","doi-asserted-by":"crossref","first-page":"216","DOI":"10.1016\/j.neulet.2003.08.053","article-title":"Up-regulation of murine double minute clone 2 (MDM2) gene expression in rat brain after morphine, heroin, and cocaine administrations","volume":"352","author":"Jiang","year":"2003","journal-title":"Neurosci Lett"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib280","doi-asserted-by":"crossref","first-page":"89","DOI":"10.1016\/S0166-4328(02)00398-4","article-title":"Acute and conditioned sickness reduces morphine analgesia","volume":"142","author":"Johnston","year":"2003","journal-title":"Behav Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib281","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1016\/j.pain.2003.08.006","article-title":"Afferent fiber-selective shift in opiate potency following targeted opioid receptor knockdown","volume":"106","author":"Jones","year":"2003","journal-title":"Pain"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib282","doi-asserted-by":"crossref","first-page":"1317","DOI":"10.1124\/mol.64.6.1317","article-title":"Functional interactions between mu opioid and alpha 2A-adrenergic receptors","volume":"64","author":"Jordan","year":"2003","journal-title":"Mol Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib283","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1213\/01.ANE.0000069507.93582.6E","article-title":"An evaluation of the safety and efficacy of administering rofecoxib for postoperative pain management","volume":"97","author":"Joshi","year":"2003","journal-title":"Anesth Analg"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib284","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1034\/j.1399-3011.2003.00077.x","article-title":"N-terminal modifications leading to peptide ORL1 partial agonists and antagonists","volume":"62","author":"Judd","year":"2003","journal-title":"J Pept Res"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib285","doi-asserted-by":"crossref","first-page":"862","DOI":"10.1097\/00000542-200304000-00012","article-title":"Neuraxial morphine may trigger transient motor dysfunction after a noninjurious interval of spinal cord ischemia: a clinical and experimental study","volume":"98","author":"Kakinohana","year":"2003","journal-title":"Anesthesiology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib286","first-page":"769","article-title":"Intrathecal administration of morphine, but not small dose, induced spastic paraparesis after a noninjurious interval of aortic occlusion in rats","volume":"96","author":"Kakinohana","year":"2003","journal-title":"Anesth Analg"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib287","doi-asserted-by":"crossref","first-page":"603","DOI":"10.1124\/jpet.102.044206","article-title":"Changes in urination\/defecation, auditory startle response, and startle-induced ultrasonic vocalizations in rats undergoing morphine withdrawal: similarities and differences between acute and chronic dependence","volume":"304","author":"Kalinichev","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib288","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1038\/sj.npp.1300068","article-title":"Long-lasting changes in morphine-induced locomotor sensitization and tolerance in Long-Evans mother rats as a result of periodic postpartum separation from the litter: a novel model of increased vulnerability to drug abuse?","volume":"28","author":"Kalinichev","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib289","doi-asserted-by":"crossref","first-page":"176","DOI":"10.1007\/s00213-002-1359-9","article-title":"Effects of second generation of histamine H1 antagonists, cetirizine and ebastine, on the antitussive and rewarding effects of dihydrocodeine in mice","volume":"166","author":"Kamei","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib290","doi-asserted-by":"crossref","first-page":"G434","DOI":"10.1152\/ajpgi.00324.2002","article-title":"Quantitative assessment and characterization of visceral nociception and hyperalgesia in mice","volume":"284","author":"Kamp","year":"2003","journal-title":"Am J Physiol Gastrointest Liver Physiol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib291","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1016\/S0006-8993(03)03218-9","article-title":"Baclofen inhibits opiate-induced conditioned place preference and associated induction of Fos in cortical and limbic regions","volume":"987","author":"Kaplan","year":"2003","journal-title":"Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib292","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1016\/S0006-8993(03)02623-4","article-title":"Sulpiride injections into the medial septum reverse the influence of intra-medial septum injection of l-arginine on expression of place conditioning-induced by morphine in rats","volume":"976","author":"Karami","year":"2003","journal-title":"Brain Res"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib293","doi-asserted-by":"crossref","first-page":"1092","DOI":"10.1213\/01.ANE.0000080205.24285.36","article-title":"Intraoperative intravenous ketamine in combination with epidural analgesia: postoperative analgesia after renal surgery","volume":"97","author":"Kararmaz","year":"2003","journal-title":"Anesth Analg"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib294","first-page":"211","article-title":"Effect of epidural morphine on minimum alveolar concentration of isoflurane in humans","volume":"49","author":"Kashyap","year":"2003","journal-title":"J Postgrad Med"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib295","doi-asserted-by":"crossref","first-page":"1449","DOI":"10.1097\/00000542-200306000-00023","article-title":"Postoperative morphine use and hyperalgesia are reduced by preoperative but not intraoperative epidural analgesia: implications for preemptive analgesia and the prevention of central sensitization","volume":"98","author":"Katz","year":"2003","journal-title":"Anesthesiology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib296","doi-asserted-by":"crossref","first-page":"1073","DOI":"10.1046\/j.1523-1747.2003.12242.x","article-title":"Regulation of human epidermal melanocyte biology by beta-endorphin","volume":"120","author":"Kauser","year":"2003","journal-title":"J Invest Dermatol"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib297","doi-asserted-by":"crossref","first-page":"1599","DOI":"10.1046\/j.1360-0443.2003.00551.x","article-title":"Buprenorphine withdrawal syndrome in newborns: a report of 13 cases","volume":"98","author":"Kayemba-Kay's","year":"2003","journal-title":"Addiction"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib298","doi-asserted-by":"crossref","first-page":"362","DOI":"10.1007\/BF03021033","article-title":"Prophylactic ip injection of bupivacaine and\/or morphine does not improve postoperative analgesia after laparoscopic gynecologic surgery","volume":"50","author":"Keita","year":"2003","journal-title":"Can J Anaesth"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib299","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1093\/bja\/90.1.53","article-title":"Comparison between patient-controlled analgesia and subcutaneous morphine in elderly patients after total hip replacement","volume":"90","author":"Keita","year":"2003","journal-title":"Br J Anaesth"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib300","doi-asserted-by":"crossref","first-page":"2592","DOI":"10.1046\/j.1460-9568.2003.02991.x","article-title":"Restricted daily consumption of a highly palatable food (chocolate Ensure(R)) alters striatal enkephalin gene expression","volume":"18","author":"Kelley","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib301","doi-asserted-by":"crossref","first-page":"543","DOI":"10.1016\/j.clpt.2003.08.011","article-title":"Role of P-glycoprotein in the intestinal absorption and clinical effects of morphine","volume":"74","author":"Kharasch","year":"2003","journal-title":"Clin Pharmacol Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib302","doi-asserted-by":"crossref","first-page":"795","DOI":"10.1016\/S0091-3057(02)01077-8","article-title":"Mediation of nitric oxide in inhibitory effect of morphine against electroshock-induced convulsions in mice","volume":"74","author":"Khavandgar","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib303","doi-asserted-by":"crossref","first-page":"1055","DOI":"10.1038\/nm885","article-title":"Endothelin-B receptor activation triggers an endogenous analgesic cascade at sites of peripheral injury","volume":"9","author":"Khodorova","year":"2003","journal-title":"Nat Med"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib304","doi-asserted-by":"crossref","first-page":"1017","DOI":"10.1097\/00001756-200305230-00022","article-title":"Effects of morphine on mechanical allodynia in a rat model of central neuropathic pain","volume":"14","author":"Kim","year":"2003","journal-title":"NeuroReport"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib305","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/S0361-9230(03)00079-0","article-title":"Development of antinociceptive tolerance and changes of opioid receptor ligand binding in central nervous system of the mouse forced to single and repeated swimming in the cold water","volume":"61","author":"Kim","year":"2003","journal-title":"Brain Res Bull"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib306","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1016\/S0014-2999(02)02821-2","article-title":"14-Methoxymetopon, a very potent mu-opioid receptor-selective analgesic with an unusual pharmacological profile","volume":"459","author":"King","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib307","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1016\/S0304-3959(02)00328-7","article-title":"Immediate- or sustained-release morphine for dose finding during start of morphine to cancer patients: a randomized, double-blind trial","volume":"101","author":"Klepstad","year":"2003","journal-title":"Pain"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib308","doi-asserted-by":"crossref","first-page":"679","DOI":"10.1191\/0269216303pm835oa","article-title":"Routine drug monitoring of serum concentrations of morphine, morphine-3-glucuronide and morphine-6-glucuronide do not predict clinical observations in cancer patients","volume":"17","author":"Klepstad","year":"2003","journal-title":"Palliat Med"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib309","doi-asserted-by":"crossref","first-page":"725","DOI":"10.1034\/j.1399-6576.2003.00138.x","article-title":"Influences on serum concentrations of morphine, M6G and M3G during routine clinical drug monitoring: a prospective survey in 300 adult cancer patients","volume":"47","author":"Klepstad","year":"2003","journal-title":"Acta Anaesthesiol Scand"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib310","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1124\/jpet.103.050625","article-title":"Studies of micro-, kappa-, and delta-opioid receptor density and G protein activation in the cortex and thalamus of monkeys","volume":"306","author":"Ko","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib311","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1124\/jpet.102.044909","article-title":"Activation of kappa-opioid receptors inhibits pruritus evoked by subcutaneous or intrathecal administration of morphine in monkeys","volume":"305","author":"Ko","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib312","doi-asserted-by":"crossref","first-page":"679","DOI":"10.1007\/BF03018710","article-title":"Definitions of \u201crespiratory depression\u201d with intrathecal morphine postoperative analgesia: a review of the literature","volume":"50","author":"Ko","year":"2003","journal-title":"Can J Anaesth"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib313","doi-asserted-by":"crossref","first-page":"9979","DOI":"10.1074\/jbc.M206709200","article-title":"ADP-ribosylation factor-dependent phospholipase D2 activation is required for agonist-induced mu-opioid receptor endocytosis","volume":"278","author":"Koch","year":"2003","journal-title":"J Biol Chem"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib314","doi-asserted-by":"crossref","first-page":"1721","DOI":"10.1213\/01.ANE.0000087801.20395.97","article-title":"The synergistic analgesic interactions between hydrocodone and ibuprofen","volume":"97","author":"Kolesnikov","year":"2003","journal-title":"Anesth Analg"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib315","doi-asserted-by":"crossref","first-page":"1103","DOI":"10.1213\/01.ANE.0000081060.63296.A8","article-title":"Analgesic synergy between topical morphine and butamben in mice","volume":"97","author":"Kolesnikov","year":"2003","journal-title":"Anesth Analg"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib316","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1016\/S0304-3959(03)00294-X","article-title":"Naloxone provokes similar pain facilitation as observed after short-term infusion of remifentanil in humans","volume":"106","author":"Koppert","year":"2003","journal-title":"Pain"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib317","doi-asserted-by":"crossref","first-page":"601","DOI":"10.1097\/00001756-200303240-00015","article-title":"Non-peptidergic OP4 receptor agonist inhibits morphine antinociception but does not influence morphine dependence","volume":"14","author":"Kotlinska","year":"2003","journal-title":"NeuroReport"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib318","doi-asserted-by":"crossref","first-page":"245","DOI":"10.1007\/s00213-002-1287-8","article-title":"Inhibitory effects of MPEP, an mGluR5 antagonist, and memantine, an N-methyl-d-aspartate receptor antagonist, on morphine antinociceptive tolerance in mice","volume":"165","author":"Kozela","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib319","doi-asserted-by":"crossref","first-page":"510","DOI":"10.1378\/chest.123.2.510","article-title":"Heroin insufflation as a trigger for patients with life-threatening asthma","volume":"123","author":"Krantz","year":"2003","journal-title":"Chest"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib320","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1016\/S0304-3940(03)00783-3","article-title":"Caroverine inhibits the conditioned place aversion induced by naloxone-precipitated morphine withdrawal in rats","volume":"349","author":"Kratzer","year":"2003","journal-title":"Neurosci Lett"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib321","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1097\/01.fbp.0000080417.18561.77","article-title":"The effect of acamprosate on the development of morphine-induced behavioral sensitization in rats","volume":"14","author":"Kratzer","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib322","doi-asserted-by":"crossref","first-page":"904","DOI":"10.1007\/BF03018737","article-title":"Postoperative pain and analgesic responses are similar in male and female Sprague\u2013Dawley rats","volume":"50","author":"Kroin","year":"2003","journal-title":"Can J Anaesth"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib323","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1002\/syn.10173","article-title":"Subject-regulated dosing alters morphine self-administration behavior and morphine-stimulated [35S]GTPgammaS binding","volume":"47","author":"Kruzich","year":"2003","journal-title":"Synapse"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib324","doi-asserted-by":"crossref","first-page":"58","DOI":"10.1016\/S0006-8993(02)04276-2","article-title":"Contribution of the anterior cingulate cortex to laser-pain conditioning in rats","volume":"970","author":"Kung","year":"2003","journal-title":"Brain Res"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib325","doi-asserted-by":"crossref","first-page":"1548","DOI":"10.1248\/bpb.26.1548","article-title":"Alpha 2-adrenoceptor modulates the release of acetylcholine from the rostral ventrolateral medulla in response to morphine","volume":"26","author":"Kushida","year":"2003","journal-title":"Biol Pharm Bull"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib326","doi-asserted-by":"crossref","first-page":"310","DOI":"10.1124\/jpet.102.041350","article-title":"Acquisition, expression, and reinstatement of ethanol-induced conditioned place preference in mice: effects of opioid receptor-like 1 receptor agonists and naloxone","volume":"304","author":"Kuzmin","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib327","doi-asserted-by":"crossref","first-page":"H2463","DOI":"10.1152\/ajpheart.00341.2003","article-title":"Van Winkle DM","volume":"285","author":"Kuzume","year":"2003","journal-title":"Am J Physiol Heart Circ Physiol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib328","doi-asserted-by":"crossref","first-page":"403","DOI":"10.1016\/S0024-3205(03)00309-6","article-title":"Endomorphin-2, deltorphin II and their analogs suppress formalin-induced nociception and c-Fos expression in the rat spinal cord","volume":"73","author":"Labuz","year":"2003","journal-title":"Life Sci"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib329","doi-asserted-by":"crossref","first-page":"353","DOI":"10.1016\/S0361-9230(02)00927-9","article-title":"\u201cBinge\u201d cocaine differentially alters preproenkephalin mRNA levels in guinea pig brain","volume":"59","author":"LaForge","year":"2003","journal-title":"Brain Res Bull"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib330","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1016\/S0014-2999(03)01677-7","article-title":"The alpha2A-adrenoceptor subtype is not involved in inflammatory hyperalgesia or morphine-induced antinociception","volume":"468","author":"Lahdesmaki","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib331","doi-asserted-by":"crossref","first-page":"R1287","DOI":"10.1152\/ajpregu.00199.2003","article-title":"Mu-opioid receptor agonist effects on medullary respiratory neurons in the cat: evidence for involvement in certain types of ventilatory disturbances","volume":"285","author":"Lalley","year":"2003","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib332","doi-asserted-by":"crossref","first-page":"938","DOI":"10.1097\/00000542-200310000-00029","article-title":"Immunoneutralization of c-Fos using intrathecal antibody electroporation attenuates chronic constrictive injury-induced hyperalgesia and regulates preprodynorphin expression in rats","volume":"99","author":"Lan","year":"2003","journal-title":"Anesthesiology"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib333","doi-asserted-by":"crossref","first-page":"1544","DOI":"10.1038\/sj.bjp.0705179","article-title":"Effects of U-50,488H and U-50,488H withdrawal on c-fos expression in the rat paraventricular nucleus","volume":"138","author":"Laorden","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib334","doi-asserted-by":"crossref","first-page":"586","DOI":"10.1046\/j.1365-2826.2003.01037.x","article-title":"Quantitative analysis of corticotropin-releasing factor and arginine vasopressin mRNA in the hypothalamus during chronic morphine treatment in rats: an in situ hybridization study","volume":"15","author":"Laorden","year":"2003","journal-title":"J Neuroendocrinol"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib335","doi-asserted-by":"crossref","first-page":"2027","DOI":"10.1038\/sj.bjc.6601365","article-title":"Comparison of sustained-release morphine with sustained-release oxycodone in advanced cancer patients","volume":"89","author":"Lauretti","year":"2003","journal-title":"Br J Cancer"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib336","doi-asserted-by":"crossref","first-page":"106","DOI":"10.1016\/S0006-8993(02)04231-2","article-title":"Further evidence for the interaction of mu- and delta-opioid receptors in the antinociceptive effects of the dual inhibitor of enkephalin catabolism, RB101(S)","volume":"967","author":"Le Guen","year":"2003","journal-title":"Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib337","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1016\/S0304-3959(02)00486-4","article-title":"Pain management by a new series of dual inhibitors of enkephalin degrading enzymes: long lasting antinociceptive properties and potentiation by CCK2 antagonist or methadone","volume":"104","author":"Le Guen","year":"2003","journal-title":"Pain"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib338","doi-asserted-by":"crossref","first-page":"2425","DOI":"10.1046\/j.1460-9568.2003.02678.x","article-title":"Morphine withdrawal precipitated by specific mu, delta or kappa opioid receptor antagonists: a c-Fos protein study in the rat central nervous system","volume":"17","author":"Le Guen","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib339","doi-asserted-by":"crossref","first-page":"781","DOI":"10.1016\/S0278-5846(03)00109-X","article-title":"Ibogaine attenuation of morphine withdrawal in mice: role of glutamate N-methyl-d-aspartate receptors","volume":"27","author":"Leal","year":"2003","journal-title":"Prog Neuropsychopharmacol Biol Psychiatry"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib340","doi-asserted-by":"crossref","first-page":"501","DOI":"10.1097\/00008877-200311000-00002","article-title":"Characterization of scratching responses in rats following centrally administered morphine or bombesin","volume":"14","author":"Lee","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib341","doi-asserted-by":"crossref","first-page":"573","DOI":"10.1016\/S0028-3908(03)00039-X","article-title":"Roles of protein kinase A and C in the opioid potentiation of the GABAA response in rat periaqueductal gray neuron","volume":"44","author":"Lee","year":"2003","journal-title":"Neuropharmacology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib342","doi-asserted-by":"crossref","first-page":"593","DOI":"10.1124\/jpet.102.044446","article-title":"The role of several kinases in mice tolerant to delta 9-tetrahydrocannabinol","volume":"305","author":"Lee","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"2\u20134","key":"10.1016\/j.peptides.2004.09.005_bib343","doi-asserted-by":"crossref","first-page":"3139","DOI":"10.1016\/j.lfs.2003.06.005","article-title":"Naloxone potentiates treadmill running-induced increase in c-Fos expression in rat hippocampus","volume":"73","author":"Lee","year":"2003","journal-title":"Life Sci"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib344","doi-asserted-by":"crossref","first-page":"1410","DOI":"10.1124\/mol.64.6.1410","article-title":"Transcriptional regulation of mu opioid receptor gene by cAMP pathway","volume":"64","author":"Lee","year":"2003","journal-title":"Mol Pharmacol"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib345","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/S0304-3959(02)00496-7","article-title":"In vivo electroporation of proopiomelanocortin induces analgesia in a formalin-injection pain model in rats","volume":"104","author":"Lee","year":"2003","journal-title":"Pain"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib346","doi-asserted-by":"crossref","first-page":"2102","DOI":"10.1038\/sj.npp.1300284","article-title":"Effects of cocaine in rats exposed to heroin","volume":"28","author":"Leri","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib347","doi-asserted-by":"crossref","first-page":"1166","DOI":"10.1097\/00000542-200311000-00025","article-title":"Efficacy, safety, and pharmacokinetics of levobupivacaine with and without fentanyl after continuous epidural infusion in children: a multicenter trial","volume":"99","author":"Lerman","year":"2003","journal-title":"Anesthesiology"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib348","doi-asserted-by":"crossref","first-page":"616","DOI":"10.1111\/j.1530-0277.2003.tb04398.x","article-title":"Cross-sensitization between the locomotor stimulant effects of ethanol and those of morphine and cocaine in mice","volume":"27","author":"Lessov","year":"2003","journal-title":"Alcohol Clin Exp Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib349","doi-asserted-by":"crossref","first-page":"302","DOI":"10.1016\/S0006-8993(02)04117-3","article-title":"Naloxone and its quaternary derivative, naloxone methiodide, have differing affinities for mu, delta, and kappa opioid receptors in mouse brain homogenates","volume":"964","author":"Lewanowitsch","year":"2003","journal-title":"Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib350","doi-asserted-by":"crossref","first-page":"181","DOI":"10.1016\/S0304-3959(03)00333-6","article-title":"Sweet taste and blood pressure-related analgesia","volume":"106","author":"Lewkowski","year":"2003","journal-title":"Pain"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib351","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1016\/S0006-8993(02)03973-2","article-title":"Opioid modulation of taste responses in the nucleus of the solitary tract","volume":"965","author":"Li","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib352","doi-asserted-by":"crossref","first-page":"730","DOI":"10.1016\/S0006-291X(03)01249-X","article-title":"Opioid peptides modulate the response of neurons of the superficial laminae of the rat spinal dorsal horn to GABA","volume":"307","author":"Li","year":"2003","journal-title":"Biochem Biophys Res Commun"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib353","doi-asserted-by":"crossref","first-page":"531","DOI":"10.1124\/jpet.102.045559","article-title":"Differential regulation of the human kappa opioid receptor by agonists: etorphine and levorphanol reduced dynorphin A- and U50,488H-induced internalization and phosphorylation","volume":"305","author":"Li","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib354","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/S0014-2999(03)02150-2","article-title":"Retention of sequential drug discriminations under fixed-interval schedules for long time periods without training","volume":"476","author":"Li","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib355","doi-asserted-by":"crossref","first-page":"619","DOI":"10.1097\/00008877-200312000-00006","article-title":"Differences in morphine and cocaine reinforcement under fixed and progressive ratio schedules; effects of extinction, reacquisition and schedule design","volume":"14","author":"Li","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib356","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1016\/S0169-328X(03)00131-1","article-title":"Effect of haemorrhage on the expression of neurotransmitter-related genes in rat ventrolateral medulla: a quantitative real-time RT-PCR study","volume":"114","author":"Li","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib357","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1016\/j.ejphar.2003.09.032","article-title":"Morphine-induced decrease in mechanical allodynia is mediated by central, but not peripheral, opioid receptors in rats with inflammation","volume":"481","author":"Li","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"17","key":"10.1016\/j.peptides.2004.09.005_bib358","doi-asserted-by":"crossref","first-page":"6255","DOI":"10.1128\/MCB.23.17.6255-6266.2003","article-title":"Morphine induces desensitization of insulin receptor signaling","volume":"23","author":"Li","year":"2003","journal-title":"Mol Cell Biol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib359","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1203\/01.PDR.0000074973.83826.4C","article-title":"Morphine enhances HIV infection of neonatal macrophages","volume":"54","author":"Li","year":"2003","journal-title":"Pediatr Res"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib360","doi-asserted-by":"crossref","first-page":"999","DOI":"10.1016\/S0306-4522(03)00483-4","article-title":"Heme oxygenase type 2 modulates behavioral and molecular changes during chronic exposure to morphine","volume":"121","author":"Liang","year":"2003","journal-title":"Neuroscience"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib361","doi-asserted-by":"crossref","first-page":"1711","DOI":"10.1213\/01.ANE.0000061471.11925.73","article-title":"Antinociceptive potentiation and attenuation of tolerance by intrathecal electric stimulation in rats","volume":"96","author":"Lin","year":"2003","journal-title":"Anesth Analg"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib362","doi-asserted-by":"crossref","first-page":"G1310","DOI":"10.1152\/ajpgi.00230.2003","article-title":"Slowing of intestinal transit by fat or peptide YY depends on beta-adrenergic pathway","volume":"285","author":"Lin","year":"2003","journal-title":"Am J Physiol Gastrointest Liver Physiol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib363","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1054\/jpai.2003.6","article-title":"Analgesic effects of adrenal chromaffin allografts: contingent on special procedures or due to experimenter bias?","volume":"4","author":"Lindner","year":"2003","journal-title":"J Pain"},{"issue":"Suppl 1","key":"10.1016\/j.peptides.2004.09.005_bib364","doi-asserted-by":"crossref","first-page":"S3","DOI":"10.1111\/j.1521-0391.2003.tb00492.x","article-title":"Pharmacological mechanisms of naltrexone and acamprosate in the prevention of relapse in alcohol dependence","volume":"12","author":"Littleton","year":"2003","journal-title":"Am J Addict"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib365","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1023\/A:1023807512200","article-title":"Use of HLDF-6 peptide for correction of disturbances in the endogenous opioid system in offspring of morphine-tolerant animals","volume":"135","author":"Litvinova","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib366","doi-asserted-by":"crossref","first-page":"1196","DOI":"10.1124\/jpet.103.053900","article-title":"Mediation of beta-endorphin by isoferulic acid to lower plasma glucose in streptozotocin-induced diabetic rats","volume":"307","author":"Liu","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib367","doi-asserted-by":"crossref","first-page":"755","DOI":"10.2165\/00003495-200363080-00003","article-title":"Postoperative analgesia and sedation in the adult intensive care unit: a guide to drug selection","volume":"63","author":"Liu","year":"2003","journal-title":"Drugs"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib368","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1016\/S0024-3205(03)00263-7","article-title":"Opioid activity of C8813, a novel and potent opioid analgesic","volume":"73","author":"Liu","year":"2003","journal-title":"Life Sci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib369","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1016\/S0091-3057(03)00089-3","article-title":"Suppression of morphine-induced conditioned place preference by l-12-chloroscoulerine, a novel dopamine receptor ligand","volume":"75","author":"Liu","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib370","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1016\/S0304-3940(03)00021-1","article-title":"Endogenous opioids support the spinal inhibitory action of an alpha 2-adrenoceptor agonist in the decerebrated, spinalised rabbit","volume":"340","author":"Lo","year":"2003","journal-title":"Neurosci Lett"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib371","doi-asserted-by":"crossref","first-page":"201","DOI":"10.1016\/S0014-2999(02)02725-5","article-title":"Vas deferens response to selective opioid receptor agonists in adult mice is impaired following postnatal repeated mild stress","volume":"458","author":"Loizzo","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib372","doi-asserted-by":"crossref","first-page":"959","DOI":"10.1016\/S0306-4522(03)00591-8","article-title":"Presynaptic delta opioid receptors differentially modulate rhythm and pattern generation in the ventral respiratory group of the rat","volume":"121","author":"Lonergan","year":"2003","journal-title":"Neuroscience"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib373","doi-asserted-by":"crossref","first-page":"192","DOI":"10.1111\/j.1749-6632.2003.tb03180.x","article-title":"State-dependent modulation of feeding behavior by proopiomelanocortin-derived beta-endorphin","volume":"99","author":"Low","year":"2003","journal-title":"Ann NY Acad Sci"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib374","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1016\/j.ejphar.2003.08.048","article-title":"Modulation by alpha-difluoromethyl-ornithine and aminoguanidine of pain threshold, morphine analgesia and tolerance","volume":"478","author":"Lu","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib375","doi-asserted-by":"crossref","first-page":"734","DOI":"10.1097\/00000542-200303000-00024","article-title":"Intrathecal coadministration of D-APV and morphine is maximally effective in a rat experimental pancreatitis model","volume":"98","author":"Lu","year":"2003","journal-title":"Anesthesiology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib376","doi-asserted-by":"crossref","first-page":"406","DOI":"10.1159\/000071312","article-title":"Involvement of mesolimbic structures in short-term sodium depletion: in situ hybridization and ligand-binding analyses","volume":"77","author":"Lucas","year":"2003","journal-title":"Neuroendocrinology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib377","doi-asserted-by":"crossref","first-page":"705","DOI":"10.1097\/00000542-200303000-00019","article-title":"Morphine enhances pharmacological preconditioning by isoflurane: role of mitochondrial K(ATP) channels and opioid receptors","volume":"98","author":"Ludwig","year":"2003","journal-title":"Anesthesiology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib378","doi-asserted-by":"crossref","first-page":"726","DOI":"10.1213\/01.ANE.0000048086.58161.18","article-title":"Modulation of remifentanil-induced analgesia, hyperalgesia, and tolerance by small-dose ketamine in humans","volume":"96","author":"Luginbuhl","year":"2003","journal-title":"Anesth Analg"},{"issue":"32","key":"10.1016\/j.peptides.2004.09.005_bib379","doi-asserted-by":"crossref","first-page":"10331","DOI":"10.1523\/JNEUROSCI.23-32-10331.2003","article-title":"Buprenorphine-induced antinociception is mediated by mu-opioid receptors and compromised by concomitant activation of opioid receptor-like receptors","volume":"23","author":"Lutfy","year":"2003","journal-title":"J Neurosci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib380","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1016\/S0006-8993(03)03361-4","article-title":"Effect of intrathecal nocistatin on nociceptin\/orphanin FQ analgesia in chronic constriction injury rat","volume":"988","author":"Ma","year":"2003","journal-title":"Brain Res"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib381","doi-asserted-by":"crossref","first-page":"991","DOI":"10.1016\/S0306-4522(03)00397-X","article-title":"Dynorphinergic GABA neurons are a target of both typical and atypical antipsychotic drugs in the nucleus accumbens shell, central amygdaloid nucleus and thalamic central medial nucleus","volume":"121","author":"Ma","year":"2003","journal-title":"Neuroscience"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib382","doi-asserted-by":"crossref","first-page":"R999","DOI":"10.1152\/ajpregu.00271.2003","article-title":"Effects of the opioid antagonist naltrexone on feeding induced by DAMGO in the ventral tegmental area and in the nucleus accumbens shell region in the rat","volume":"285","author":"MacDonald","year":"2003","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib383","doi-asserted-by":"crossref","first-page":"190","DOI":"10.1016\/S0304-3940(03)00910-8","article-title":"Effects of nociceptin and analogues of nociceptin upon spontaneous dorsal root activity recorded from an in vitro preparation of rat spinal cord","volume":"350","author":"Maile","year":"2003","journal-title":"Neurosci Lett"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib384","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/S0143-4179(03)00021-0","article-title":"Morphine and cocaine influence on CRF biosynthesis in the rat central nucleus of amygdala","volume":"37","author":"Maj","year":"2003","journal-title":"Neuropeptides"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib385","doi-asserted-by":"crossref","first-page":"950","DOI":"10.1097\/00000542-200304000-00023","article-title":"Parecoxib sodium, a parenteral cyclooxygenase 2 selective inhibitor, improves morphine analgesia and is opioid-sparing following total hip arthroplasty","volume":"98","author":"Malan","year":"2003","journal-title":"Anesthesiology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib386","doi-asserted-by":"crossref","first-page":"259","DOI":"10.1016\/S0091-3057(03)00222-3","article-title":"GHB differentially affects morphine actions on motor activity and social behaviours in male mice","volume":"76","author":"Maldonado","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib387","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/S0166-4328(03)00044-5","article-title":"Memantine presents different effects from MK-801 in motivational and physical signs of morphine withdrawal","volume":"144","author":"Maldonado","year":"2003","journal-title":"Behav Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib388","doi-asserted-by":"crossref","first-page":"965","DOI":"10.1124\/jpet.103.051599","article-title":"micro-opioid-induced desensitization of opioid receptor-like 1 and micro-opioid receptors: differential intracellular signaling determines receptor sensitivity","volume":"306","author":"Mandyam","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib389","doi-asserted-by":"crossref","first-page":"337","DOI":"10.2165\/00002512-200320050-00003","article-title":"Postoperative patient-controlled analgesia in the elderly: risks and benefits of epidural versus intravenous administration","volume":"20","author":"Mann","year":"2003","journal-title":"Drugs Aging"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib390","first-page":"68","article-title":"Effects of cold stress on morphine-induced nitric oxide production and mu-opiate receptor gene expression in Mytilus edulis pedal ganglia","volume":"24","author":"Mantione","year":"2003","journal-title":"Neuroendocrinol Lett"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib391","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1016\/S0014-2999(03)01971-X","article-title":"Behavioral evidence for mu-opioid and 5-HT2A receptor interactions","volume":"474","author":"Marek","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"31","key":"10.1016\/j.peptides.2004.09.005_bib392","doi-asserted-by":"crossref","first-page":"9981","DOI":"10.1523\/JNEUROSCI.23-31-09981.2003","article-title":"Kappa-opioid agonists directly inhibit midbrain dopaminergic neurons","volume":"23","author":"Margolis","year":"2003","journal-title":"J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib393","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1007\/s00213-003-1490-2","article-title":"A microdialysis profile of beta-endorphin and catecholamines in the rat nucleus accumbens following alcohol administration","volume":"169","author":"Marinelli","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib394","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1038\/sj.bjp.0705005","article-title":"Pharmacological profiles of presynaptic nociceptin\/orphanin FQ receptors modulating 5-hydroxytryptamine and noradrenaline release in the rat neocortex","volume":"138","author":"Marti","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib395","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/S0169-328X(02)00646-0","article-title":"Morphine withdrawal is modified in pituitary adenylate cyclase-activating polypeptide type I-receptor-deficient mice","volume":"110","author":"Martin","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib396","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1016\/S0006-8993(03)02482-X","article-title":"Genetic differences in NMDA and D1 receptor levels, and operant responding for food and morphine in Lewis and Fischer 344 rats","volume":"973","author":"Martin","year":"2003","journal-title":"Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib397","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/S0014-2999(03)01819-3","article-title":"Implication of the signal transduction pathways in the enhancement of noradrenaline turnover induced by morphine withdrawal in the heart","volume":"471","author":"Martinez","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib398","doi-asserted-by":"crossref","first-page":"311","DOI":"10.1016\/S0014-4886(03)00050-5","article-title":"Enkephalin, neurotensin, and substance P immunoreactivite neurones of the rat GP following 6-hydroxydopamine lesion of the substantia nigra","volume":"183","author":"Martorana","year":"2003","journal-title":"Exp Neurol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib399","doi-asserted-by":"crossref","first-page":"1122","DOI":"10.1124\/jpet.103.052977","article-title":"Role of Na(+), K(+)-ATPase in morphine-induced antinociception","volume":"306","author":"Masocha","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib400","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1016\/j.jneuroim.2003.09.006","article-title":"Cannabinoids and opioids share cAMP pathway in rat splenocytes","volume":"145","author":"Massi","year":"2003","journal-title":"J Neuroimmunol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib401","doi-asserted-by":"crossref","first-page":"481","DOI":"10.1213\/00000539-200302000-00034","article-title":"Release of beta-endorphin immunoreactive material under perioperative conditions into blood or cerebrospinal fluid: significance for postoperative pain?","volume":"96","author":"Matejec","year":"2003","journal-title":"Anesth Analg"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib402","doi-asserted-by":"crossref","first-page":"441","DOI":"10.1046\/j.1360-0443.2003.00335.x","article-title":"Buprenorphine versus methadone maintenance therapy: a randomized double-blind trial with 405 opioid-dependent patients","volume":"98","author":"Mattick","year":"2003","journal-title":"Addiction"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib403","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1016\/S0304-3940(02)01388-5","article-title":"A randomised, double blind, placebo controlled crossover study of the cholecystokinin 2 antagonist L-365,260 as an adjunct to strong opioids in chronic human neuropathic pain","volume":"338","author":"McCleane","year":"2003","journal-title":"Neurosci Lett"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib404","doi-asserted-by":"crossref","first-page":"200","DOI":"10.1097\/00002508-200305000-00008","article-title":"The cholecystokinin antagonist proglumide enhances the analgesic effect of dihydrocodeine","volume":"19","author":"McCleane","year":"2003","journal-title":"Clin J Pain"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib405","doi-asserted-by":"crossref","first-page":"R1477","DOI":"10.1152\/ajpregu.00733.2002","article-title":"Involvement of sympathetic efferents but not capsaicin-sensitive afferents in nociceptin-mediated dual control of rat synovial blood flow","volume":"284","author":"McDougall","year":"2003","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib406","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1038\/sj.bjp.0705059","article-title":"The anti-relapse compound acamprosate inhibits the development of a conditioned place preference to ethanol and cocaine but not morphine","volume":"138","author":"McGeehan","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib407","doi-asserted-by":"crossref","first-page":"240","DOI":"10.1002\/syn.10166","article-title":"The mGluR5 antagonist MPEP reduces the conditioned rewarding effects of cocaine but not other drugs of abuse","volume":"47","author":"McGeehan","year":"2003","journal-title":"Synapse"},{"issue":"13","key":"10.1016\/j.peptides.2004.09.005_bib408","doi-asserted-by":"crossref","first-page":"5674","DOI":"10.1523\/JNEUROSCI.23-13-05674.2003","article-title":"Kappa opioid receptor antagonism and prodynorphin gene disruption block stress-induced behavioral responses","volume":"23","author":"McLaughlin","year":"2003","journal-title":"J Neurosci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib409","doi-asserted-by":"crossref","first-page":"152","DOI":"10.1016\/S0169-328X(03)00333-4","article-title":"Selective down-regulation of hippocampal glucocorticoid receptors during opiate withdrawal.","volume":"118","author":"McNally","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib410","doi-asserted-by":"crossref","first-page":"130","DOI":"10.1037\/0097-7403.29.2.130","article-title":"Temporally graded, context-specific retrograde amnesia and its alleviation by context preexposure: effects of postconditioning exposures to morphine in the rat","volume":"29","author":"McNally","year":"2003","journal-title":"J Exp Psychol Anim Behav Process"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib411","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1016\/S1526-5900(03)00556-X","article-title":"Management of opioid side effects in cancer-related and chronic noncancer pain: a systematic review","volume":"4","author":"McNicol","year":"2003","journal-title":"J Pain"},{"issue":"1\u20133","key":"10.1016\/j.peptides.2004.09.005_bib412","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1016\/S0014-2999(03)01632-7","article-title":"Inhibition by immunophilin ligands of morphine-induced tolerance and dependence in guinea pig ileum","volume":"467","author":"Mehr","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib413","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1177\/1073858403252231","article-title":"FQ: actions within the brain","volume":"9","author":"Meis","year":"2003","journal-title":"Neuroscientist"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib414","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1080\/1355621031000069891","article-title":"Using saccadic eye movements as objective measures of tolerance in methadone dependent individuals during the hydromorphone challenge test","volume":"8","author":"Melichar","year":"2003","journal-title":"Addict Biol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib415","doi-asserted-by":"crossref","first-page":"821","DOI":"10.1016\/S0896-6273(03)00092-8","article-title":"Opioid-induced quantal slowing reveals dual networks for respiratory rhythm generation","volume":"37","author":"Mellen","year":"2003","journal-title":"Neuron"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib416","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1016\/S0168-0102(03)00188-3","article-title":"Acute ethanol administration transiently decreases [3H]-DAMGO binding to mu opioid receptors in the rat substantia nigra pars reticulata but not in the caudate-putamen","volume":"47","author":"Mendez","year":"2003","journal-title":"Neurosci Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib417","doi-asserted-by":"crossref","first-page":"657","DOI":"10.1016\/S0091-3057(02)01042-0","article-title":"Spinal nociceptin inhibits AMPA-induced nociceptive behavior and Fos expression in rat spinal cord","volume":"74","author":"Menendez","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib418","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1016\/S0006-8993(03)02284-4","article-title":"Initial thermal heat hypoalgesia and delayed hyperalgesia in a murine model of bone cancer pain","volume":"969","author":"Menendez","year":"2003","journal-title":"Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib419","doi-asserted-by":"crossref","first-page":"28","DOI":"10.1007\/s00210-002-0655-6","article-title":"Nociceptive reaction and thermal hyperalgesia induced by local ET-1 in mice: a behavioral and Fos study","volume":"367","author":"Menendez","year":"2003","journal-title":"Naunyn Schmiedebergs Arch Pharmacol"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib420","doi-asserted-by":"crossref","first-page":"867","DOI":"10.1097\/00001756-200305060-00018","article-title":"Peripheral opioids act as analgesics in bone cancer pain in mice","volume":"14","author":"Menendez","year":"2003","journal-title":"NeuroReport"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib421","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1213\/01.ANE.0000067403.15926.BD","article-title":"Local anesthetic switching for intrathecal tachyphylaxis in cancer patients with pain","volume":"97","author":"Mercadante","year":"2003","journal-title":"Anesth Analg"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib422","doi-asserted-by":"crossref","first-page":"117","DOI":"10.2165\/00129785-200303020-00005","article-title":"Utilizing functional genomics to identify new pain treatments: the example of nociceptin","volume":"3","author":"Meunier","year":"2003","journal-title":"Am J Pharmacogenom"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib423","doi-asserted-by":"crossref","first-page":"1458","DOI":"10.1213\/01.ANE.0000081721.75663.87","article-title":"Mu-opioid receptor mRNA regulation during morphine tolerance in the rat peripheral nervous system","volume":"97","author":"Meuser","year":"2003","journal-title":"Anesth Analg"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib424","doi-asserted-by":"crossref","first-page":"802","DOI":"10.1002\/jnr.10526","article-title":"Estrogen receptor-alpha is required for estrogen-induced mu-opioid receptor internalization","volume":"71","author":"Micevych","year":"2003","journal-title":"J Neurosci Res"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib425","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1016\/j.npep.2003.09.003","article-title":"Cardiovascular and behavioural effects induced by naloxone-precipitated morphine withdrawal in rat: characterization with tachykinin antagonists","volume":"37","author":"Michaud","year":"2003","journal-title":"Neuropeptides"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib426","first-page":"713","article-title":"Intravenous self-administration of morphine and cocaine: a comparative study","volume":"55","author":"Mierzejewski","year":"2003","journal-title":"Pol J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib427","doi-asserted-by":"crossref","first-page":"556","DOI":"10.1046\/j.1471-4159.2003.01856.x","article-title":"Obliteration of alpha-melanocyte-stimulating hormone derived from POMC in pituitary and brains of PC2-deficient mice","volume":"86","author":"Miller","year":"2003","journal-title":"J Neurochem"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib428","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1016\/S0306-4522(03)00135-0","article-title":"Ligand-induced mu opioid receptor endocytosis and recycling in enteric neurons","volume":"119","author":"Minnis","year":"2003","journal-title":"Neuroscience"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib429","doi-asserted-by":"crossref","first-page":"1049","DOI":"10.1038\/sj.bjp.0705082","article-title":"Involvement of glutamate and gamma-amino-butyric acid receptor systems on gastric acid secretion induced by activation of kappa-opioid receptors in the central nervous system in rats","volume":"138","author":"Minowa","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib430","doi-asserted-by":"crossref","first-page":"667","DOI":"10.1046\/j.1460-9568.2003.02794.x","article-title":"A role for the periaqueductal grey in opioidergic inhibition of maternal behaviour","volume":"18","author":"Miranda-Paiva","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib431","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1016\/S0376-8716(03)00190-X","article-title":"Comparative pharmacodynamics and pharmacokinetics of methadone and slow-release oral morphine for maintenance treatment of opioid dependence","volume":"72","author":"Mitchell","year":"2003","journal-title":"Drug Alcohol Depend"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib432","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1073\/pnas.0136822100","article-title":"Contribution of GIRK2-mediated post-synaptic signaling to opiate and alpha 2-adrenergic analgesia and analgesic sex differences","volume":"100","author":"Mitrovic","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib433","doi-asserted-by":"crossref","first-page":"394","DOI":"10.1124\/jpet.103.048835","article-title":"Buprenorphine blocks epsilon- and micro-opioid receptor-mediated antinociception in the mouse","volume":"306","author":"Mizoguchi","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib434","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1016\/S0014-2999(03)01299-8","article-title":"Blockade of mu-opioid receptor-mediated G-protein activation and antinociception by TRK-820 in mice","volume":"461","author":"Mizoguchi","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib435","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1254\/jphs.93.423","article-title":"Lack of mu-opioid receptor-mediated G-protein activation in the spinal cord of mice lacking Exon 1 or Exons 2 and 3 of the MOR-1 gene","volume":"93","author":"Mizoguchi","year":"2003","journal-title":"J Pharmacol Sci"},{"issue":"Suppl 5","key":"10.1016\/j.peptides.2004.09.005_bib436","first-page":"S126","article-title":"Endogenous opioid analgesia in hemorrhagic shock","volume":"54","author":"Molina","year":"2003","journal-title":"J Trauma"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib437","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/S0014-2999(03)01461-4","article-title":"Effects of serine\/threonine protein phosphatase inhibitors on morphine-induced antinociception in the tail flick test in mice","volume":"465","author":"Moncada","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib438","doi-asserted-by":"crossref","first-page":"227","DOI":"10.1016\/S0306-4522(02)00822-9","article-title":"Behavioral evidence linking opioid-sensitive GABAergic neurons in the ventrolateral periaqueductal gray to morphine tolerance","volume":"118","author":"Morgan","year":"2003","journal-title":"Neuroscience"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib439","doi-asserted-by":"crossref","first-page":"4888","DOI":"10.1523\/JNEUROSCI.23-12-04888.2003","article-title":"Regulation of delta-opioid receptor trafficking via mu-opioid receptor stimulation: evidence from mu-opioid receptor knock-out mice","volume":"23","author":"Morinville","year":"2003","journal-title":"J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib440","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1155\/2003\/184247","article-title":"Attitudes toward opioid use for chronic pain: a Canadian physician survey","volume":"8","author":"Morley-Forster","year":"2003","journal-title":"Pain Res Manag"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib441","doi-asserted-by":"crossref","first-page":"297","DOI":"10.1016\/S0304-3959(03)00302-6","article-title":"Involvement of corticotropin-releasing hormone receptor subtypes 1 and 2 in peripheral opioid-mediated inhibition of inflammatory pain","volume":"106","author":"Mousa","year":"2003","journal-title":"Pain"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib442","doi-asserted-by":"crossref","first-page":"1155","DOI":"10.2460\/ajvr.2003.64.1155","article-title":"Effects of morphine, lidocaine, ketamine, and morphine\u2013lidocaine\u2013ketamine drug combination on minimum alveolar concentration in dogs anesthetized with isoflurane","volume":"64","author":"Muir","year":"2003","journal-title":"Am J Vet Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib443","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/S0379-0738(03)00052-5","article-title":"Comparison of the prevalence of alcohol, cannabis and other drugs between 900 injured drivers and 900 control subjects: results of a French collaborative study","volume":"133","author":"Mura","year":"2003","journal-title":"Forensic Sci Int"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib444","doi-asserted-by":"crossref","first-page":"1709","DOI":"10.1213\/01.ANE.0000089965.75585.0D","article-title":"Optimizing the dose of intrathecal morphine in older patients undergoing hip arthroplasty","volume":"97","author":"Murphy","year":"2003","journal-title":"Anesth Analg"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib445","doi-asserted-by":"crossref","first-page":"486","DOI":"10.1002\/ijc.11416","article-title":"Long-term cancer pain management in morphine pre-treated and opioid naive patients with transdermal fentanyl","volume":"107","author":"Mystakidou","year":"2003","journal-title":"Int J Cancer"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib446","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/S0304-3959(03)00163-5","article-title":"The analgesic effect of oral delta-9-tetrahydrocannabinol (THC), morphine, and a THC-morphine combination in healthy subjects under experimental pain conditions","volume":"105","author":"Naef","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib447","doi-asserted-by":"crossref","first-page":"490","DOI":"10.1124\/jpet.103.050781","article-title":"Allodynia and hyperalgesia in adjuvant-induced arthritic rats: time course of progression and efficacy of analgesics","volume":"306","author":"Nagakura","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib448","doi-asserted-by":"crossref","first-page":"505","DOI":"10.1007\/s00221-003-1381-0","article-title":"Mechanical stimulation activates small fiber mediated nociceptive responses in the nucleus gigantocellularis","volume":"149","author":"Nagata","year":"2003","journal-title":"Exp Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib449","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1385\/ENDO:20:1-2:115","article-title":"Prolactin modulates hypothalamic preproenkephalin, but not proopiomelanocortin, gene expression during lactation","volume":"20","author":"Nahi","year":"2003","journal-title":"Endocrine"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib450","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1080\/13556210310001602248","article-title":"Possible mechanisms of action in quercetin reversal of morphine tolerance and dependence","volume":"8","author":"Naidu","year":"2003","journal-title":"Addict Biol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib451","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1254\/jphs.92.237","article-title":"The influence of contextual cue on antinociceptive tolerance and facilitation of memory with morphine","volume":"92","author":"Nakama-Kitamura","year":"2003","journal-title":"J Pharmacol Sci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib452","doi-asserted-by":"crossref","first-page":"343","DOI":"10.1016\/S0006-8993(02)03884-2","article-title":"Affective analgesia following the administration of morphine into the amygdala of rats","volume":"959","author":"Nandigama","year":"2003","journal-title":"Brain Res"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib453","doi-asserted-by":"crossref","first-page":"2498","DOI":"10.1046\/j.1460-9568.2003.02980.x","article-title":"Direct evidence for the up-regulation of spinal micro-opioid receptor function after repeated stimulation of kappa-opioid receptors in the mouse","volume":"18","author":"Narita","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib454","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1016\/S0304-3940(02)01354-X","article-title":"Up-regulation of mu-opioid receptor-mediated G-protein activation in protein kinase Cgamma knockout mice following repeated naloxone treatment","volume":"338","author":"Narita","year":"2003","journal-title":"Neurosci Lett"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib455","doi-asserted-by":"crossref","first-page":"1006","DOI":"10.1523\/JNEUROSCI.23-03-01006.2003","article-title":"Molecular evidence for the functional role of dopamine D3 receptor in the morphine-induced rewarding effect and hyperlocomotion","volume":"23","author":"Narita","year":"2003","journal-title":"J Neurosci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib456","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1016\/S0006-8993(03)02301-1","article-title":"Direct evidence for the activation of phospholipase C gamma 1 by in vivo treatment with morphine in the mouse periaqueductal gray matter","volume":"970","author":"Narita","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib457","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1080\/13556210310001602239","article-title":"Changes in G-protein activity mediated through the stimulation of dopamine and GABA(B) receptors in the mesolimbic dopaminergic system of morphine-sensitized mice","volume":"8","author":"Narita","year":"2003","journal-title":"Addict Biol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib458","first-page":"364","article-title":"Effects of epidural opioid analgesics on heart rate, arterial blood pressure, respiratory rate, body temperature, and behavior in horses","volume":"4","author":"Natalini","year":"2003","journal-title":"Vet Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib459","doi-asserted-by":"crossref","first-page":"1065","DOI":"10.1016\/S0006-291X(03)00476-5","article-title":"Macrophage-stimulating peptides VKGFY and cyclo(VKGFY) act through nonopioid beta-endorphin receptors","volume":"303","author":"Navolotskaya","year":"2003","journal-title":"Biochem Biophys Res Commun"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib460","doi-asserted-by":"crossref","first-page":"430","DOI":"10.1124\/jpet.103.049742","article-title":"Characterization of the binding of [3H][Dmt1]H-Dmt-d-Arg-Phe-Lys-NH2, a highly potent opioid peptide","volume":"306","author":"Neilan","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib461","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1016\/S0006-8993(03)02590-3","article-title":"Differential sensitivities of mouse strains to morphine and [Dmt1]DALDA analgesia","volume":"974","author":"Neilan","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib462","doi-asserted-by":"crossref","first-page":"304","DOI":"10.1016\/S0028-3908(02)00374-X","article-title":"Serotonin\u2013GABA interactions in the modulation of mu- and kappa-opioid analgesia","volume":"44","author":"Nemmani","year":"2003","journal-title":"Neuropharmacology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib463","doi-asserted-by":"crossref","first-page":"R1046","DOI":"10.1152\/ajpregu.00107.2003","article-title":"Neuropeptide FF exerts pro- and anti-opioid actions in the parabrachial nucleus to modulate food intake","volume":"285","author":"Nicklous","year":"2003","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib464","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1016\/S0306-4522(02)00547-X","article-title":"Modulation of spinal nociceptive processing through the glutamate transporter GLT-1","volume":"116","author":"Niederberger","year":"2003","journal-title":"Neuroscience"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib465","doi-asserted-by":"crossref","first-page":"897","DOI":"10.1358\/dot.2003.39.11.799467","article-title":"The role of CCK2 receptors in the homeostasis of the opioid system","volume":"39","author":"Noble","year":"2003","journal-title":"Drugs Today (Barc)"},{"issue":"34","key":"10.1016\/j.peptides.2004.09.005_bib466","doi-asserted-by":"crossref","first-page":"10784","DOI":"10.1523\/JNEUROSCI.23-34-10784.2003","article-title":"Opioid modulation of scratching and spinal c-fos expression evoked by intradermal serotonin","volume":"23","author":"Nojima","year":"2003","journal-title":"J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib467","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1016\/S0006-8993(02)03837-4","article-title":"Opioid receptor activation attenuates nicotinic enhancement of spontaneous GABA release in lateral spiriform nucleus of the chick","volume":"961","author":"Nong","year":"2003","journal-title":"Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib468","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/S0014-2999(03)01455-9","article-title":"Pre-exposure to the cannabinoid receptor agonist CP55,940 enhances morphine behavioral sensitization and alters morphine self-administration in Lewis rats","volume":"465","author":"Norwood","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib469","doi-asserted-by":"crossref","first-page":"406","DOI":"10.1097\/00126334-200304010-00010","article-title":"Modulation of infection and type 1 cytokine expression parameters by morphine during in vitro coinfection with human T-cell leukemia virus type I and HIV-1","volume":"32","author":"Nyland","year":"2003","journal-title":"J Acquir Immune Defic Syndr"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib470","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/S0304-3940(03)00835-8","article-title":"Effect of systemic FR140423, a new analgesic compound, in a rat model of postoperative pain: contribution of delta-opioid receptors","volume":"350","author":"Ochi","year":"2003","journal-title":"Neurosci Lett"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib471","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1046\/j.1439-0264.2003.00457.x","article-title":"Anatomical relationship between enkephalin-containing neurones and caecum-projecting neurones in the chicken intestinal nerve","volume":"32","author":"Ohmori","year":"2003","journal-title":"Anat Histol Embryol"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib472","doi-asserted-by":"crossref","first-page":"1655","DOI":"10.1046\/j.1460-9568.2003.02589.x","article-title":"Differential behavioural sensitization to intermittent morphine treatment in alcohol-preferring AA and alcohol-avoiding ANA rats: role of mesolimbic dopamine","volume":"17","author":"Ojanen","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"15","key":"10.1016\/j.peptides.2004.09.005_bib473","doi-asserted-by":"crossref","first-page":"3201","DOI":"10.1021\/jm020459z","article-title":"Unique high-affinity synthetic mu-opioid receptor agonists with central- and systemic-mediated analgesia","volume":"46","author":"Okada","year":"2003","journal-title":"J Med Chem"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib474","first-page":"63","article-title":"The effects of estradiol on beta-endorphin, GnRH and galanin content in the oviduct and the uterus of ovariectomized gilts","volume":"3","author":"Okrasa","year":"2003","journal-title":"Reprod Biol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib475","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1038\/sj.bjp.0705418","article-title":"Different distribution of morphine and morphine-6 beta-glucuronide after intracerebroventricular injection in rats","volume":"140","author":"Okura","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib476","doi-asserted-by":"crossref","first-page":"94","DOI":"10.1046\/j.1471-4159.2003.01627.x","article-title":"Behavioural and gene transcription alterations induced by spontaneous cannabinoid withdrawal in mice","volume":"85","author":"Oliva","year":"2003","journal-title":"J Neurochem"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib477","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1016\/j.brainres.2003.08.040","article-title":"Neuroanatomical and neuropharmacological study of opioid pathways in the mesencephalic tectum: effect of mu(1)- and kappa-opioid receptor blockade on escape behavior induced by electrical stimulation of the inferior colliculus","volume":"992","author":"Osaki","year":"2003","journal-title":"Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib478","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1016\/S0304-3940(03)00221-0","article-title":"The striopallidal pathway is involved in antiparkinsonian-like effects of the blockade of group I metabotropic glutamate receptors in rats","volume":"342","author":"Ossowska","year":"2003","journal-title":"Neurosci Lett"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib479","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1016\/S0166-4328(03)00066-4","article-title":"Impact of environmental housing conditions on the emotional responses of mice deficient for nociceptin\/orphanin FQ peptide precursor gene","volume":"144","author":"Ouagazzal","year":"2003","journal-title":"Behav Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib480","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1046\/j.1474-8673.2003.00277.x","article-title":"Actions of domperidone on the opioid system in isolated guinea-pig ileum: differences between dopamine antagonists on opioid system","volume":"23","author":"Ozaki","year":"2003","journal-title":"Auton Autacoid Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib481","doi-asserted-by":"crossref","first-page":"89","DOI":"10.1016\/S0306-4522(02)00699-1","article-title":"Suppression of the morphine-induced rewarding effect and G-protein activation in the lower midbrain following nerve injury in the mouse: involvement of G-protein-coupled receptor kinase 2","volume":"116","author":"Ozaki","year":"2003","journal-title":"Neuroscience"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib482","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1016\/S0014-2999(02)02961-8","article-title":"Influence of prazosin and clonidine on morphine analgesia, tolerance and withdrawal in mice","volume":"460","author":"Ozdogan","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"17","key":"10.1016\/j.peptides.2004.09.005_bib483","doi-asserted-by":"crossref","first-page":"1943","DOI":"10.1016\/S0024-3205(03)00100-0","article-title":"Comparison of the effects of specific and nonspecific inhibition of nitric oxide synthase on morphine analgesia, tolerance and dependence in mice","volume":"72","author":"Ozek","year":"2003","journal-title":"Life Sci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib484","first-page":"201","article-title":"Influence of felbamate on the antinociceptive action of morphine, metamizol and indomethacin in mice","volume":"60","author":"Pakulska","year":"2003","journal-title":"Acta Pol Pharm"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib485","doi-asserted-by":"crossref","first-page":"741","DOI":"10.1038\/sj.bjp.0705297","article-title":"Actions of tramadol on micturition in awake, freely moving rats","volume":"139","author":"Pandita","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"5643","key":"10.1016\/j.peptides.2004.09.005_bib486","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1126\/science.1091062","article-title":"Feeling the pain of social loss","volume":"302","author":"Panksepp","year":"2003","journal-title":"Science"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib487","doi-asserted-by":"crossref","first-page":"146","DOI":"10.1007\/s00213-002-1321-x","article-title":"Dissociation in the modulatory effects of environmental novelty on the locomotor, analgesic, and eating response to acute and repeated morphine in the rat","volume":"166","author":"Paolone","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib488","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1159\/000068868","article-title":"Do obsessive-compulsive patients and abstinent heroin addicts share a common psychophysiological mechanism?","volume":"47","author":"Papageorgiou","year":"2003","journal-title":"Neuropsychobiology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib489","doi-asserted-by":"crossref","first-page":"2923","DOI":"10.1073\/pnas.252777799","article-title":"Activation of presynaptic NMDA receptors coupled to NaV1.8-resistant sodium channel C-fibers causes retrograde mechanical nociceptor sensitization","volume":"100","author":"Parada","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib490","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1213\/01.ANE.0000068482.67289.1A","article-title":"Allodynia after acute intrathecal morphine administration in a patient with neuropathic pain after spinal cord injury","volume":"97","author":"Parisod","year":"2003","journal-title":"Anesth Analg"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib491","doi-asserted-by":"crossref","first-page":"116","DOI":"10.1016\/S0169-328X(03)00123-2","article-title":"Regional specific increases of [3H]AMPA binding and mRNA expression of AMPA receptors in the brain of mu-opioid receptor knockout mice","volume":"113","author":"Park","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib492","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1086\/346042","article-title":"Role of heme oxygenase-1 in morphine-modulated apoptosis and migration of macrophages","volume":"187","author":"Patel","year":"2003","journal-title":"J Infect Dis"},{"issue":"Suppl","key":"10.1016\/j.peptides.2004.09.005_bib493","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1023\/A:1024788309940","article-title":"Morphine and antibodies to mu-opiate receptors in ultralow doses: effect on oxygen consumption","volume":"1","author":"Pavlov","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib494","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/S0014-2999(03)02192-7","article-title":"Antinociceptive interactions of ketamine with morphine or methadone in mononeuropathic rats","volume":"477","author":"Pelissier","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib495","doi-asserted-by":"crossref","first-page":"1328","DOI":"10.1046\/j.1471-4159.2003.01960.x","article-title":"Effect of subthalamic nucleus or entopeduncular nucleus lesion on levodopa-induced neurochemical changes within the basal ganglia and on levodopa-induced motor alterations in 6-hydroxydopamine-lesioned rats","volume":"86","author":"Perier","year":"2003","journal-title":"J Neurochem"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib496","doi-asserted-by":"crossref","first-page":"1159","DOI":"10.1046\/j.1460-9568.2003.02538.x","article-title":"Mu- and delta-opioid receptor antagonists decrease proliferation and increase neurogenesis in cultures of rat adult hippocampal progenitors","volume":"17","author":"Persson","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib497","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/S0304-3959(02)00320-2","article-title":"A dissociative change in the efficacy of supraspinal versus spinal morphine in the neuropathic rat","volume":"101","author":"Pertovaara","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib498","doi-asserted-by":"crossref","first-page":"201","DOI":"10.1097\/00001756-200302100-00008","article-title":"Newborn pig nociceptin\/orphanin FQ activates protein tyrosine kinase and mitogen activated protein kinase to impair NMDA cerebrovasodilation after ischemia","volume":"14","author":"Philip","year":"2003","journal-title":"NeuroReport"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib499","doi-asserted-by":"crossref","first-page":"1329","DOI":"10.1172\/JCI200316750","article-title":"Anti-inflammatory properties of the mu opioid receptor support its use in the treatment of colon inflammation","volume":"111","author":"Philippe","year":"2003","journal-title":"J Clin Invest"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib500","doi-asserted-by":"crossref","first-page":"924","DOI":"10.1124\/jpet.102.040113","article-title":"Serine 329 of the mu-opioid receptor interacts differently with agonists","volume":"304","author":"Pil","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib501","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1016\/S1526-5900(03)00558-3","article-title":"Time-contingent schedules for postoperative analgesia: a review of the literature","volume":"4","author":"Pillai Riddell","year":"2003","journal-title":"J Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib502","doi-asserted-by":"crossref","first-page":"603","DOI":"10.1016\/S0091-3057(02)01046-8","article-title":"Atropine reverses the antinociception of nonsteroidal anti-inflammatory drugs in the tail-flick test of mice","volume":"74","author":"Pinardi","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"18","key":"10.1016\/j.peptides.2004.09.005_bib503","doi-asserted-by":"crossref","first-page":"2433","DOI":"10.1097\/00001756-200312190-00029","article-title":"Repeated morphine injections induce behavioural sensitization in Roman high- but not in Roman low-avoidance rats","volume":"14","author":"Piras","year":"2003","journal-title":"NeuroReport"},{"issue":"1\u20133","key":"10.1016\/j.peptides.2004.09.005_bib504","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/j.ejphar.2003.09.048","article-title":"Non-steroidal anti-inflammatory drugs antagonise the constipating effects of tramadol","volume":"482","author":"Planas","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib505","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1034\/j.1399-6576.2003.00036.x","article-title":"Gender differences in drug effects: implications for anesthesiologists","volume":"47","author":"Pleym","year":"2003","journal-title":"Acta Anaesthesiol Scand"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib506","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/S0304-3940(03)00515-9","article-title":"Long-term effects on brain opioid and opioid receptor like-1 receptors after short periods of maternal separation in rats","volume":"345","author":"Ploj","year":"2003","journal-title":"Neurosci Lett"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib507","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/S0143-4179(03)00043-X","article-title":"Long-term effects of short and long periods of maternal separation on brain opioid peptide levels in male Wistar rats","volume":"37","author":"Ploj","year":"2003","journal-title":"Neuropeptides"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib508","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/s0304-3959(02)00345-7","article-title":"Placebo analgesia and the heart","volume":"102","author":"Pollo","year":"2003","journal-title":"Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib509","doi-asserted-by":"crossref","first-page":"457","DOI":"10.1038\/sj.npp.1300048","article-title":"Morphine tolerance and reward but not expression of morphine dependence are inhibited by the selective glutamate carboxypeptidase II (GCP II, NAALADase) inhibitor, 2-PMPA","volume":"28","author":"Popik","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib510","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1097\/00008877-200305000-00008","article-title":"Effects of memantine, an NMDA receptor antagonist, on place preference conditioned with drug and nondrug reinforcers in mice","volume":"14","author":"Popik","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib511","doi-asserted-by":"crossref","first-page":"521","DOI":"10.1023\/A:1023475503848","article-title":"Neuropeptide modulation of evoked responses of neurons in the medial septal region of hibernating ground squirrels in conditions of chronic isolation of the medial septal region from preoptic-hypothalamic structures","volume":"33","author":"Popova","year":"2003","journal-title":"Neurosci Behav Physiol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib512","doi-asserted-by":"crossref","first-page":"771","DOI":"10.1046\/j.1460-9568.2003.02512.x","article-title":"Conditional involvement of striatal serotonin3 receptors in the control of in vivo dopamine outflow in the rat striatum","volume":"17","author":"Porras","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib513","doi-asserted-by":"crossref","first-page":"354","DOI":"10.1177\/1073858403253660","article-title":"Functional imaging and pain: behavior, perception, and modulation","volume":"9","author":"Porro","year":"2003","journal-title":"Neuroscientist"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib514","doi-asserted-by":"crossref","first-page":"207","DOI":"10.1016\/j.ejphar.2003.08.041","article-title":"Effect of opioid receptor ligands on the mu-S196A knock-in and mu knockout mouse vas deferens","volume":"478","author":"Portoghese","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib515","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1016\/S0165-0270(03)00197-3","article-title":"Antinociceptive potency of intrathecal morphine in the rat tail flick test: a comparative study using acute lumbar catheter in rats with or without a chronic atlanto-occipital catheter","volume":"129","author":"Prado","year":"2003","journal-title":"J Neurosci Methods"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib516","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1191\/0269216303pm658oa","article-title":"Plasma concentrations of morphine, morphine-6-glucuronide and morphine-3-glucuronide and their relationship with analgesia and side effects in patients with cancer-related pain","volume":"17","author":"Quigley","year":"2003","journal-title":"Palliat Med"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib517","doi-asserted-by":"crossref","first-page":"206","DOI":"10.1016\/j.brainres.2003.08.020","article-title":"Evidence for a mu-opioid\u2013opioid connection between the paraventricular nucleus and ventral tegmental area in the rat","volume":"991","author":"Quinn","year":"2003","journal-title":"Brain Res"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib518","doi-asserted-by":"crossref","first-page":"1111","DOI":"10.1016\/S0028-3908(03)00280-6","article-title":"Spinal muscarinic receptors are activated during low or high frequency TENS-induced antihyperalgesia in rats","volume":"45","author":"Radhakrishnan","year":"2003","journal-title":"Neuropharmacology"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib519","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1016\/S0165-5728(03)00273-X","article-title":"Withdrawal from morphine in mice suppresses splenic macrophage function, cytokine production, and costimulatory molecules","volume":"144","author":"Rahim","year":"2003","journal-title":"J Neuroimmunol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib520","doi-asserted-by":"crossref","first-page":"1055","DOI":"10.1016\/S0885-3924(03)00331-2","article-title":"Hypogonadism and sexual dysfunction in male cancer survivors receiving chronic opioid therapy","volume":"26","author":"Rajagopal","year":"2003","journal-title":"J Pain Symptom Manage"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib521","doi-asserted-by":"crossref","first-page":"909","DOI":"10.1016\/S0091-3057(03)00166-7","article-title":"Chronic opioid antagonist treatment dose-dependently regulates mu-opioid receptors and trafficking proteins in vivo","volume":"75","author":"Rajashekara","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib522","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1037\/1093-4510.6.3.239","article-title":"Revisiting Anna O.: a case of chemical dependence","volume":"6","author":"Ramos","year":"2003","journal-title":"Hist Psychol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib523","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1016\/j.pbb.2003.08.010","article-title":"Morphine-induced conditioned taste aversions: assessment of sexual dimorphism","volume":"76","author":"Randall-Thompson","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib524","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1016\/S0028-3908(02)00296-4","article-title":"The selective iGluR1\u20134 (AMPA) antagonist LY300,168 attenuates morphine-withdrawal-induced activation of locus coeruleus neurons and behavioural signs of morphine withdrawal","volume":"44","author":"Rasmussen","year":"2003","journal-title":"Neuropharmacology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib525","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1177\/1099800403257166","article-title":"Effects of morphine and time of day on pain and beta-endorphin","volume":"5","author":"Rasmussen","year":"2003","journal-title":"Biol Res Nurs"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib526","doi-asserted-by":"crossref","first-page":"441","DOI":"10.1067\/S1526-5900(03)00730-2","article-title":"Long-term intrathecal opioid therapy with a patient-activated, implanted delivery system for the treatment of refractory cancer pain","volume":"4","author":"Rauck","year":"2003","journal-title":"J Pain"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib527","doi-asserted-by":"crossref","first-page":"76","DOI":"10.1016\/S0006-8993(03)03093-2","article-title":"NMDA receptors modulate morphine-induced hyperthermia","volume":"984","author":"Rawls","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib528","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1177\/153537020322800304","article-title":"Expression of the prodynorphin gene after experimental brain injury and its role in behavioral dysfunction","volume":"228","author":"Redell","year":"2003","journal-title":"Exp Biol Med (Maywood)"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib529","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1016\/j.pbb.2003.08.009","article-title":"Effects of NMDA receptor antagonists on acute mu-opioid analgesia in the rat","volume":"76","author":"Redwine","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib530","doi-asserted-by":"crossref","first-page":"1263","DOI":"10.1590\/S0100-879X2003000900018","article-title":"Do endogenous opioids and nitric oxide participate in the anticonvulsant action of dipyrone?","volume":"36","author":"Reis","year":"2003","journal-title":"Braz J Med Biol Res"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib531","doi-asserted-by":"crossref","first-page":"1606","DOI":"10.1038\/sj.npp.1300205","article-title":"Opiate withdrawal induces Narp in the extended amygdala","volume":"28","author":"Reti","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib532","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1016\/S0885-3924(02)00637-1","article-title":"The COX-2 specific inhibitor, valdecoxib, is an effective, opioid-sparing analgesic in patients undergoing total knee arthroplasty","volume":"25","author":"Reynolds","year":"2003","journal-title":"J Pain Symptom Manage"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib533","doi-asserted-by":"crossref","first-page":"415","DOI":"10.1177\/0269881103174005","article-title":"Involvement of dopamine receptors of the dorsal hippocampus on the acquisition and expression of morphine-induced place preference in rats","volume":"17","author":"Rezayof","year":"2003","journal-title":"J Psychopharmacol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib534","doi-asserted-by":"crossref","first-page":"421","DOI":"10.1023\/A:1024994704644","article-title":"Participation of endogenous opioids in pathogenesis of early neuroendocrine manifestations of prenatal stress syndrome","volume":"135","author":"Reznikov","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib535","doi-asserted-by":"crossref","first-page":"279","DOI":"10.1155\/NP.2003.279","article-title":"Reinstatement of morphine-induced conditioned place preference in mice by priming injections","volume":"10","author":"Ribeiro Do","year":"2003","journal-title":"Neural Plast"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib536","doi-asserted-by":"crossref","first-page":"312","DOI":"10.1159\/000074884","article-title":"Adrenocorticotropin stress response but not glucocorticoid-negative feedback is altered by prenatal morphine exposure in adult male rats","volume":"78","author":"Rimanoczy","year":"2003","journal-title":"Neuroendocrinology"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib537","doi-asserted-by":"crossref","first-page":"961","DOI":"10.1007\/s00702-003-0013-y","article-title":"Ultrastructural correlates of haloperidol-induced oral dyskinesias in rats: a study of unlabeled and enkephalin-labeled striatal terminals","volume":"110","author":"Roberts","year":"2003","journal-title":"J Neural Transm"},{"issue":"15","key":"10.1016\/j.peptides.2004.09.005_bib538","doi-asserted-by":"crossref","first-page":"462","DOI":"10.1136\/vr.153.15.462","article-title":"Changes in thermal threshold response in eight cats after administration of buprenorphine, butorphanol and morphine","volume":"153","author":"Robertson","year":"2003","journal-title":"Vet Rec"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib539","doi-asserted-by":"crossref","first-page":"472","DOI":"10.1002\/hipo.10078","article-title":"Opioid peptide release in the rat hippocampus after kainic acid-induced status epilepticus","volume":"13","author":"Rocha","year":"2003","journal-title":"Hippocampus"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib540","doi-asserted-by":"crossref","first-page":"167","DOI":"10.1080\/1355621031000117392","article-title":"The dopamine release inhibitor CGS10,746B blocks conditioned physical signs of morphine withdrawal","volume":"8","author":"Rodriguez-Arias","year":"2003","journal-title":"Addict Biol"},{"key":"10.1016\/j.peptides.2004.09.005_bib541","doi-asserted-by":"crossref","first-page":"116","DOI":"10.1196\/annals.1304.011","article-title":"supraspinal agmatine activate different receptors to enhance spinal morphine antinociception","volume":"1009","author":"Roerig","year":"2003","journal-title":"Ann NY Acad Sci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib542","doi-asserted-by":"crossref","first-page":"788","DOI":"10.1097\/00000542-200310000-00008","article-title":"Pharmacodynamic effect of morphine-6-glucuronide versus morphine on hypoxic and hypercapnic breathing in healthy volunteers","volume":"99","author":"Romberg","year":"2003","journal-title":"Anesthesiology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib543","doi-asserted-by":"crossref","first-page":"862","DOI":"10.1093\/bja\/aeg279","article-title":"Comparison of morphine-6-glucuronide and morphine on respiratory depressant and antinociceptive responses in wild type and mu-opioid receptor deficient mice","volume":"91","author":"Romberg","year":"2003","journal-title":"Br J Anaesth"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib544","doi-asserted-by":"crossref","first-page":"1605","DOI":"10.1001\/archneur.60.11.1605","article-title":"Symmetric deep cerebellar lesions after smoking heroin","volume":"60","author":"Ropper","year":"2003","journal-title":"Arch Neurol"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib545","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/S0006-8993(03)02674-X","article-title":"Effects of single and dual administration of cocaine and ethanol on opioid and ORL1 receptor expression in rat CNS: an autoradiographic study","volume":"978","author":"Rosin","year":"2003","journal-title":"Brain Res"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib546","doi-asserted-by":"crossref","first-page":"930","DOI":"10.1046\/j.1471-4159.2003.01584.x","article-title":"Effect of experimenter-delivered and self-administered cocaine on extracellular beta-endorphin levels in the nucleus accumbens","volume":"84","author":"Roth-Deri","year":"2003","journal-title":"J Neurochem"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib547","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/S0304-3940(03)00791-2","article-title":"Neuropeptide FF receptors 1 and 2 exert an anti-opioid activity in acutely dissociated rat dorsal raphe and periventricular hypothalamic neurones","volume":"348","author":"Roumy","year":"2003","journal-title":"Neurosci Lett"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib548","doi-asserted-by":"crossref","first-page":"336","DOI":"10.1067\/msy.2003.247","article-title":"Morphine inhibits VEGF expression in myocardial ischemia","volume":"134","author":"Roy","year":"2003","journal-title":"Surgery"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib549","doi-asserted-by":"crossref","first-page":"494","DOI":"10.1038\/sj.bjp.0705052","article-title":"Attenuation of acute and chronic effects of morphine by the imidazoline receptor ligand 2-(2-benzofuranyl)-2-imidazoline in rat locus coeruleus neurons","volume":"138","author":"Ruiz-Durantez","year":"2003","journal-title":"Br J Pharmacol"},{"key":"10.1016\/j.peptides.2004.09.005_bib550","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1196\/annals.1304.013","article-title":"Agmatine-morphine interaction on nociception in mice","volume":"1009","author":"Ruiz-Durantez","year":"2003","journal-title":"Ann NY Acad Sci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib551","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/S0166-4328(03)00070-6","article-title":"Distinct changes in the behavioural effects of morphine and naloxone in CCK2 receptor-deficient mice","volume":"144","author":"Runkorg","year":"2003","journal-title":"Behav Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib552","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1155\/2003\/592846","article-title":"Evaluation of dosing guidelines for use of controlled-release codeine in chronic noncancer pain","volume":"8","author":"Russell","year":"2003","journal-title":"Pain Res Manage"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib553","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1016\/S0091-3022(02)00104-8","article-title":"The magnocellular oxytocin system, the fount of maternity: adaptations in pregnancy","volume":"24","author":"Russell","year":"2003","journal-title":"Front Neuroendocrinol"},{"key":"10.1016\/j.peptides.2004.09.005_bib554","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1111\/j.1749-6632.2003.tb03144.x","article-title":"Effects of in vitro and in vivo opioids on the production of IL-12 and IL-10 by murine macrophages","volume":"992","author":"Sacerdote","year":"2003","journal-title":"Ann NY Acad Sci"},{"key":"10.1016\/j.peptides.2004.09.005_bib555","first-page":"149","article-title":"Primary motor cortex stimulation within the central sulcus for treating deafferentation pain","volume":"87","author":"Saitoh","year":"2003","journal-title":"Acta Neurochir Suppl"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib556","doi-asserted-by":"crossref","first-page":"1027","DOI":"10.1007\/BF03018367","article-title":"Mini-dose (0.05mg) intrathecal morphine provides effective analgesia after transurethral resection of the prostate","volume":"50","author":"Sakai","year":"2003","journal-title":"Can J Anaesth"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib557","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1016\/S0165-0270(03)00016-5","article-title":"Long-term potentiation as an electrophysiological assay for morphine dependence and withdrawal in rats: an in vitro study","volume":"124","author":"Salmanzadeh","year":"2003","journal-title":"J Neurosci Methods"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib558","doi-asserted-by":"crossref","first-page":"108","DOI":"10.1016\/S0006-8993(02)04144-6","article-title":"Dependence on morphine impairs the induction of long-term potentiation in the CA1 region of rat hippocampal slices","volume":"965","author":"Salmanzadeh","year":"2003","journal-title":"Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib559","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/S0006-8993(02)03947-1","article-title":"Dependence on morphine leads to a prominent sharing among the different mechanisms of long-term potentiation in the CA1 region of rat hippocampus.","volume":"963","author":"Salmanzadeh","year":"2003","journal-title":"Brain Res"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib560","doi-asserted-by":"crossref","first-page":"954","DOI":"10.1016\/S0028-3908(03)00249-1","article-title":"Opioid antagonists increase the dyskinetic response to dopaminergic agents in parkinsonian monkeys: interaction between dopamine and opioid systems","volume":"45","author":"Samadi","year":"2003","journal-title":"Neuropharmacology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib561","doi-asserted-by":"crossref","first-page":"433","DOI":"10.1016\/S0361-9230(02)00947-4","article-title":"Significance of endogenous opioids in the maintenance of cerebral and spinal vascular CO2-sensitivity in deep hemorrhagic hypotension","volume":"59","author":"Sandor","year":"2003","journal-title":"Brain Res Bull"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib562","doi-asserted-by":"crossref","first-page":"148","DOI":"10.1097\/00000542-200307000-00024","article-title":"Effect of combining naloxone and morphine for intravenous patient-controlled analgesia","volume":"99","author":"Sartain","year":"2003","journal-title":"Anesthesiology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib563","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1097\/00115550-200303000-00012","article-title":"Hypothermia and excessive sweating following intrathecal morphine in a parturient undergoing cesarean delivery","volume":"28","author":"Sayyid","year":"2003","journal-title":"Reg Anesth Pain Med"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib564","doi-asserted-by":"crossref","first-page":"296","DOI":"10.1093\/toxsci\/kfg029","article-title":"Dietary exposure to genistein increases vasopressin but does not alter beta-endorphin in the rat hypothalamus","volume":"72","author":"Scallet","year":"2003","journal-title":"Toxicol Sci"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib565","doi-asserted-by":"crossref","first-page":"691","DOI":"10.1016\/S0024-3205(03)00389-8","article-title":"Conversion of delta-, kappa- and mu-receptor selective opioid peptide agonists into delta-, kappa- and mu-selective antagonists","volume":"73","author":"Schiller","year":"2003","journal-title":"Life Sci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib566","doi-asserted-by":"crossref","first-page":"348","DOI":"10.1016\/S0306-4530(02)00027-6","article-title":"Bicuculline seizure susceptibility and nigral GABAA alpha1 receptor mRNA is altered in adult prenatally morphine-exposed females","volume":"28","author":"Schindler","year":"2003","journal-title":"Psychoneuroendocrinology"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib567","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1016\/S0006-8993(03)02561-7","article-title":"Acute \u2018binge\u2019 cocaine administration elevates dynorphin mRNA in the caudate putamen of C57BL\/6J but not 129\/J mice","volume":"974","author":"Schlussman","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib568","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1054\/jpai.2003.12","article-title":"Adaptations in nucleus accumbens circuitry during opioid withdrawal associated with persistence of noxious stimulus-induced antinociception in the rat","volume":"4","author":"Schmidt","year":"2003","journal-title":"J Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib569","doi-asserted-by":"crossref","first-page":"204","DOI":"10.1016\/S0379-0738(03)00067-7","article-title":"Area-specific increased density of mu-opioid receptor immunoreactive neurons in the cerebral cortex of drug-related fatalities","volume":"133","author":"Schmidt","year":"2003","journal-title":"Forensic Sci Int"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib570","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1097\/00000542-200301000-00030","article-title":"Modulation of peripheral endogenous opioid analgesia by central afferent blockade","volume":"98","author":"Schmitt","year":"2003","journal-title":"Anesthesiology"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib571","first-page":"107","article-title":"Mianserin and trazodone significantly attenuate the intensity of opioid withdrawal symptoms in mice","volume":"8","author":"Schreiber","year":"2003","journal-title":"Addict Biol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib572","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1038\/sj.npp.1300007","article-title":"Neural activation profile elicited by cues associated with the anxiogenic drug yohimbine differs from that observed for reward-paired cues","volume":"28","author":"Schroeder","year":"2003","journal-title":"Neuropsychopharmacology"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib573","doi-asserted-by":"crossref","first-page":"1020","DOI":"10.1034\/j.1399-6576.2003.00204.x","article-title":"Pharmacological modulation of experimental phasic and tonic muscle pain by morphine, alfentanil and ketamine in healthy volunteers","volume":"47","author":"Schulte","year":"2003","journal-title":"Acta Anaesthesiol Scand"},{"issue":"3\u20134","key":"10.1016\/j.peptides.2004.09.005_bib574","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1016\/j.pbb.2003.09.006","article-title":"Repeated experience with naloxone facilitates acute morphine withdrawal: potential role for conditioning processes in acute opioid dependence","volume":"76","author":"Schulteis","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib575","doi-asserted-by":"crossref","first-page":"1167","DOI":"10.1124\/jpet.103.051425","article-title":"Relative efficacy of buprenorphine, nalbuphine and morphine in opioid-treated rhesus monkeys discriminating naltrexone","volume":"306","author":"Sell","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib576","doi-asserted-by":"crossref","first-page":"201","DOI":"10.1016\/S0361-9230(03)00014-5","article-title":"Effect of strain and sex on mu opioid receptor-mediated G-protein activation in rat brain","volume":"60","author":"Selley","year":"2003","journal-title":"Brain Res Bull"},{"issue":"15","key":"10.1016\/j.peptides.2004.09.005_bib577","doi-asserted-by":"crossref","first-page":"6295","DOI":"10.1523\/JNEUROSCI.23-15-06295.2003","article-title":"Segregation of amphetamine reward and locomotor stimulation between nucleus accumbens medial shell and core","volume":"23","author":"Sellings","year":"2003","journal-title":"J Neurosci"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib578","doi-asserted-by":"crossref","first-page":"1195","DOI":"10.1002\/bjs.4223","article-title":"Randomized clinical trial comparing epidural anaesthesia and patient-controlled analgesia after laparoscopic segmental colectomy","volume":"90","author":"Senagore","year":"2003","journal-title":"Br J Surg"},{"issue":"1\u20133","key":"10.1016\/j.peptides.2004.09.005_bib579","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/S0014-2999(03)01345-1","article-title":"Effects of morphine on formalin-induced nociception in rats","volume":"462","author":"Sevostianova","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib580","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/S0006-8993(03)03116-0","article-title":"Cardiovascular responses to microinjections of nociceptin into a midline area in the commissural subnucleus of the nucleus tractus solitarius of the rat","volume":"984","author":"Shah","year":"2003","journal-title":"Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib581","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1016\/S0008-8749(03)00068-6","article-title":"Phosphorylation of activating transcription factor in murine splenocytes through delta opioid receptors","volume":"221","author":"Shahabi","year":"2003","journal-title":"Cell Immunol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib582","doi-asserted-by":"crossref","first-page":"117","DOI":"10.1016\/S0165-3806(02)00607-7","article-title":"Alterations in PKCgamma in the mouse hippocampus after prenatal exposure to heroin: a link from cell signaling to behavioral outcome","volume":"140","author":"Shahak","year":"2003","journal-title":"Brain Res Dev Brain Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib583","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/S0166-4328(03)00103-7","article-title":"Selective induction of c-Fos immunoreactivity in the prelimbic cortex during reinstatement of heroin seeking induced by acute food deprivation in rats","volume":"145","author":"Shalev","year":"2003","journal-title":"Behav Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib584","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/S0006-8993(03)02887-7","article-title":"Reciprocal interactions between the amygdala and ventrolateral periaqueductal gray in mediating of Q\/N(1\u201317)-induced analgesia in the rat","volume":"980","author":"Shane","year":"2003","journal-title":"Brain Res"},{"key":"10.1016\/j.peptides.2004.09.005_bib585","first-page":"98","article-title":"Opioid receptor expression and intracellular signaling by cells involved in host defense and immunity","volume":"521","author":"Sharp","year":"2003","journal-title":"Adv Exp Med Biol"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib586","first-page":"1059","article-title":"Cardioprotective effects of morphine on rat heart suffering from ischemia and reperfusion.","volume":"116","author":"Shi","year":"2003","journal-title":"Chin Med J (Engl)"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib587","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/S0006-8993(03)02798-7","article-title":"Brain opioid-receptors are involved in mediating peripheral electric stimulation-induced inhibition of morphine conditioned place preference in rats","volume":"981","author":"Shi","year":"2003","journal-title":"Brain Res"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib588","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1159\/000070457","article-title":"Anxiolytic effects of acute morphine can be modulated by nitric oxide systems","volume":"68","author":"Shin","year":"2003","journal-title":"Pharmacology"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib589","doi-asserted-by":"crossref","first-page":"1074","DOI":"10.1007\/BF02994761","article-title":"Inhibitory effects of glycine on morphine-induced hyperactivity, reverse tolerance and post-synaptic dopamine receptor supersensitivity in mice","volume":"26","author":"Shin","year":"2003","journal-title":"Arch Pharm Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib590","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/S0304-3959(03)00172-6","article-title":"Systemic, but not intrathecal ketorolac is antinociceptive to uterine cervical distension in rats","volume":"105","author":"Shin","year":"2003","journal-title":"Pain"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib591","doi-asserted-by":"crossref","first-page":"1467","DOI":"10.1097\/00000542-200306000-00025","article-title":"Intrathecal morphine reduces the visceromotor response to acute uterine cervical distension in an estrogen-independent manner","volume":"98","author":"Shin","year":"2003","journal-title":"Anesthesiology"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib592","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/S1385-299X(03)00041-2","article-title":"A quantitative method for assessing of the affective component of the pain: conditioned response associated with CO2 laser-induced nocifensive reaction","volume":"12","author":"Shyu","year":"2003","journal-title":"Brain Res Brain Res Protoc"},{"key":"10.1016\/j.peptides.2004.09.005_bib593","doi-asserted-by":"crossref","first-page":"196","DOI":"10.1196\/annals.1300.012","article-title":"Glutamatergic transmission in opiate and alcohol dependence","volume":"1003","author":"Siggins","year":"2003","journal-title":"Ann NY Acad Sci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib594","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1523\/JNEUROSCI.23-01-00034.2003","article-title":"Quantitative single-cell differences in mu-opioid receptor mRNA distinguish myelinated and unmyelinated nociceptors","volume":"23","author":"Silbert","year":"2003","journal-title":"J Neurosci"},{"issue":"18","key":"10.1016\/j.peptides.2004.09.005_bib595","doi-asserted-by":"crossref","first-page":"2419","DOI":"10.1001\/jama.290.18.2419","article-title":"Routine morphine infusion in preterm newborns who received ventilatory support: a randomized controlled trial","volume":"290","author":"Simons","year":"2003","journal-title":"JAMA"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib596","doi-asserted-by":"crossref","first-page":"197","DOI":"10.1385\/MN:27:2:197","article-title":"Visualizing activation of opioid circuits by internalization of G protein-coupled receptors","volume":"27","author":"Sinchak","year":"2003","journal-title":"Mol Neurobiol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib597","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1159\/000069970","article-title":"Neuroimmunomodulatory: effects of morphine in Leishmania donovani-infected hamsters","volume":"10","author":"Singal","year":"2003","journal-title":"Neuroimmunomodulation"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib598","first-page":"164","article-title":"Effect of undernutrition on morphine analgesia, haloperidol catalepsy and pentobarbitone sodium hypnosis in developing new born rats","volume":"57","author":"Singh","year":"2003","journal-title":"Indian J Med Sci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib599","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1067\/mcp.2003.5","article-title":"Analgesic effects of morphine and morphine-6-glucuronide in a transcutaneous electrical pain model in healthy volunteers","volume":"73","author":"Skarke","year":"2003","journal-title":"Clin Pharmacol Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib600","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1016\/S0009-9236(03)00220-0","article-title":"Respiratory and miotic effects of morphine in healthy volunteers when P-glycoprotein is blocked by quinidine","volume":"74","author":"Skarke","year":"2003","journal-title":"Clin Pharmacol Ther"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib601","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1046\/j.1365-2125.2003.01866.x","article-title":"Pharmacokinetics of morphine are not altered in subjects with Gilbert's syndrome","volume":"56","author":"Skarke","year":"2003","journal-title":"Br J Clin Pharmacol"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib602","doi-asserted-by":"crossref","first-page":"461","DOI":"10.1002\/hipo.10076","article-title":"Density of mu-opioid receptors in the hippocampus of adult male and female rats is altered by prenatal morphine exposure and gonadal hormone treatment","volume":"13","author":"Slamberova","year":"2003","journal-title":"Hippocampus"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib603","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1002\/dev.10141","article-title":"Long-term effects of prenatal morphine exposure on maternal behaviors differ from the effects of direct chronic morphine treatment","volume":"43","author":"Slamberova","year":"2003","journal-title":"Dev Psychobiol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib604","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1016\/j.brainresbull.2003.08.002","article-title":"Cortical and striatal mu-opioid receptors are altered by gonadal hormone treatment but not by prenatal morphine exposure in adult male and female rats","volume":"62","author":"Slamberova","year":"2003","journal-title":"Brain Res Bull"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib605","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1016\/S0304-3940(03)00084-3","article-title":"Neurotrophin-4 is required for tolerance to morphine in the mouse","volume":"340","author":"Smith","year":"2003","journal-title":"Neurosci Lett"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib606","doi-asserted-by":"crossref","first-page":"78","DOI":"10.1016\/S0006-8993(03)03170-6","article-title":"The expression of a high level of morphine antinociceptive tolerance in mice involves both PKC and PKA","volume":"985","author":"Smith","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib607","first-page":"280","article-title":"A single dose of liposome-encapsulated oxymorphone or morphine provides long-term analgesia in an animal model of neuropathic pain","volume":"53","author":"Smith","year":"2003","journal-title":"Comp Med"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib608","doi-asserted-by":"crossref","first-page":"426","DOI":"10.1007\/s00213-003-1471-5","article-title":"Sensitivity to the effects of opioids in rats with free access to exercise wheels: mu-opioid tolerance and physical dependence","volume":"168","author":"Smith","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib609","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1067\/S1526-5900(03)00717-X","article-title":"Novel object test: examining nociception and fear in the rainbow trout","volume":"4","author":"Sneddon","year":"2003","journal-title":"J Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib610","doi-asserted-by":"crossref","first-page":"876","DOI":"10.1016\/S0885-3924(03)00314-2","article-title":"Intravenous fentanyl for cancer pain: a \u201cfast titration\u201d protocol for the emergency room","volume":"26","author":"Soares","year":"2003","journal-title":"J Pain Symptom Manage"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib611","doi-asserted-by":"crossref","first-page":"224","DOI":"10.1007\/s00221-003-1774-0","article-title":"Endomorphins exit the brain by a saturable efflux system at the basolateral surface of cerebral endothelial cells","volume":"156","author":"Somogyvari-Vigh","year":"2003","journal-title":"Exp Brain Res"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib612","doi-asserted-by":"crossref","first-page":"1847","DOI":"10.1523\/JNEUROSCI.23-05-01847.2003","article-title":"Peptidases prevent mu-opioid receptor internalization in dorsal horn neurons by endogenously released opioids","volume":"23","author":"Song","year":"2003","journal-title":"J Neurosci"},{"issue":"27","key":"10.1016\/j.peptides.2004.09.005_bib613","doi-asserted-by":"crossref","first-page":"9171","DOI":"10.1523\/JNEUROSCI.23-27-09171.2003","article-title":"Dorsal horn neurons firing at high frequency, but not primary afferents, release opioid peptides that produce micro-opioid receptor internalization in the rat spinal cord","volume":"23","author":"Song","year":"2003","journal-title":"J Neurosci"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib614","doi-asserted-by":"crossref","first-page":"574","DOI":"10.1007\/BF03018643","article-title":"Intrathecal morphine provides better postoperative analgesia than psoas compartment block after primary hip arthroplasty","volume":"50","author":"Souron","year":"2003","journal-title":"Can J Anaesth"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib615","doi-asserted-by":"crossref","first-page":"74","DOI":"10.1016\/S0169-328X(02)00671-X","article-title":"Elevated D3 dopamine receptor mRNA in dopaminergic and dopaminoceptive regions of the rat brain in response to morphine","volume":"111","author":"Spangler","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib616","doi-asserted-by":"crossref","first-page":"605","DOI":"10.1046\/j.1460-9568.2003.02435.x","article-title":"Morphine withdrawal-induced abnormalities in the VTA: confocal laser scanning microscopy","volume":"17","author":"Spiga","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib617","doi-asserted-by":"crossref","first-page":"55","DOI":"10.1002\/syn.10205","article-title":"beta-Funaltrexamine, a gauge for the recognition site of wildtype and mutant H297Q mu-opioid receptors","volume":"49","author":"Spivak","year":"2003","journal-title":"Synapse"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib618","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1016\/S0969-9961(03)00081-0","article-title":"Denervation and repeated L-DOPA induce a coordinate expression of the transcription factor NGFI-B in striatal projection pathways in hemi-parkinsonian rats","volume":"14","author":"St-Hilaire","year":"2003","journal-title":"Neurobiol Dis"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib619","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/S0006-8993(03)03444-9","article-title":"The effect of morphine on MC4 and CRF receptor mRNAs in the rat amygdala and attenuation of tolerance after their blockade","volume":"990","author":"Starowicz","year":"2003","journal-title":"Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib620","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1016\/S0042-6822(03)00015-1","article-title":"Mu-opioid modulation of HIV-1 coreceptor expression and HIV-1 replication","volume":"309","author":"Steele","year":"2003","journal-title":"Virology"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib621","doi-asserted-by":"crossref","first-page":"1003","DOI":"10.1038\/nm908","article-title":"Attacking pain at its source: new perspectives on opioids","volume":"9","author":"Stein","year":"2003","journal-title":"Nat Med"},{"issue":"15","key":"10.1016\/j.peptides.2004.09.005_bib622","doi-asserted-by":"crossref","first-page":"6176","DOI":"10.1523\/JNEUROSCI.23-15-06176.2003","article-title":"Proteinase-activated receptor-2 mediates itch: a novel pathway for pruritus in human skin","volume":"23","author":"Steinhoff","year":"2003","journal-title":"J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib623","doi-asserted-by":"crossref","first-page":"803","DOI":"10.1016\/S0091-3057(02)01080-8","article-title":"Effects of dextromethorphan on dopamine release in the nucleus accumbens: Interactions with morphine","volume":"74","author":"Steinmiller","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib624","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1007\/s00210-003-0773-9","article-title":"Interactive role of adenosine and dopamine in the opiate withdrawal syndrome","volume":"368","author":"Stella","year":"2003","journal-title":"Naunyn Schmiedebergs Arch Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib625","doi-asserted-by":"crossref","first-page":"301","DOI":"10.1124\/jpet.102.042093","article-title":"Potency differences for d-Phe-Cys-Tyr-d-Trp-Arg-Thr-Pen-Thr-NH2 as an antagonist of peptide and alkaloid micro-agonists in an antinociception assay","volume":"304","author":"Sterious","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib626","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/S0031-9384(03)00015-5","article-title":"Effects of gestational stress and neonatal handling on pain, analgesia, and stress behavior of adult mice","volume":"78","author":"Sternberg","year":"2003","journal-title":"Physiol Behav"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib627","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1016\/S0304-3959(03)00136-2","article-title":"Procedural pain in newborns at risk for neurologic impairment","volume":"105","author":"Stevens","year":"2003","journal-title":"Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib628","doi-asserted-by":"crossref","first-page":"1054","DOI":"10.1124\/jpet.103.056515","article-title":"Opioid interactions in rhesus monkeys: effects of delta + mu and delta + kappa agonists on schedule-controlled responding and thermal nociception","volume":"307","author":"Stevenson","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib629","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1111\/j.1521-0391.2003.tb00535.x","article-title":"Stress and relapse to drug seeking: studies in laboratory animals shed light on mechanisms and sources of long-term vulnerability","volume":"12","author":"Stewart","year":"2003","journal-title":"Am J Addict"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib630","doi-asserted-by":"crossref","first-page":"285","DOI":"10.1016\/s0304-3959(02)00457-8","article-title":"Gonadal steroid hormone modulation of nociception, morphine antinociception and reproductive indices in male and female rats","volume":"103","author":"Stoffel","year":"2003","journal-title":"Pain"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib631","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1002\/cne.10486","article-title":"Inspiratory augmenting bulbospinal neurons express both glutamatergic and enkephalinergic phenotypes","volume":"455","author":"Stornetta","year":"2003","journal-title":"J Comp Neurol"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib632","first-page":"631","article-title":"A biphasic opioid function modulator: agmatine","volume":"24","author":"Su","year":"2003","journal-title":"Acta Pharmacol Sin"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib633","doi-asserted-by":"crossref","first-page":"779","DOI":"10.3748\/wjg.v9.i4.779","article-title":"Relative efficacy of some prokinetic drugs in morphine-induced gastrointestinal transit delay in mice","volume":"9","author":"Suchitra","year":"2003","journal-title":"World J Gastroenterol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib634","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1023\/A:1023417106322","article-title":"Effect of social isolation on behavioral parameters and sensitivity of rats to morphine and caffeine","volume":"135","author":"Sudakov","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib635","doi-asserted-by":"crossref","first-page":"167","DOI":"10.1016\/S0168-8278(03)00343-X","article-title":"Rat neuronal cells in primary culture as a model for nociceptin\/orphanin FQ metabolism","volume":"348","author":"Suder","year":"2003","journal-title":"Neurosci Lett"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib636","doi-asserted-by":"crossref","first-page":"587","DOI":"10.1111\/j.1553-2712.2003.tb00040.x","article-title":"Effect of a delta receptor agonist on duration of survival during hemorrhagic shock","volume":"10","author":"Summers","year":"2003","journal-title":"Acad Emerg Med"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib637","doi-asserted-by":"crossref","first-page":"1221","DOI":"10.1016\/S0024-3205(02)02345-7","article-title":"Tramadol reduces the 5-HTP-induced head-twitch response in mice via the activation of mu and kappa opioid receptors","volume":"72","author":"Sun","year":"2003","journal-title":"Life Sci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib638","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1016\/S0304-3959(03)00316-6","article-title":"An antinociceptive role of galanin in the arcuate nucleus of hypothalamus in intact rats and rats with inflammation","volume":"106","author":"Sun","year":"2003","journal-title":"Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib639","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1016\/S0304-3940(03)00502-0","article-title":"Effect of JTC-801 (nociceptin antagonist) on neuropathic pain in a rat model","volume":"351","author":"Suyama","year":"2003","journal-title":"Neurosci Lett"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib640","doi-asserted-by":"crossref","first-page":"827","DOI":"10.1124\/jpet.102.039750","article-title":"spinal analgesic activity of a delta-opioid-selective lanthionine enkephalin analog","volume":"304","author":"Svensson","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib641","doi-asserted-by":"crossref","first-page":"1195","DOI":"10.1097\/00000542-200305000-00023","article-title":"Combinations of morphine with ketamine for patient-controlled analgesia: a new optimization method","volume":"98","author":"Sveticic","year":"2003","journal-title":"Anesthesiology"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib642","doi-asserted-by":"crossref","first-page":"259","DOI":"10.1213\/01.ANE.0000066310.49139.2A","article-title":"A comparison of dexamethasone, ondansetron, and dexamethasone plus ondansetron as prophylactic antiemetic and antipruritic therapy in patients receiving intrathecal morphine for major orthopedic surgery","volume":"97","author":"Szarvas","year":"2003","journal-title":"Anesth Analg"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib643","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1016\/S0024-3205(03)00407-7","article-title":"Dynorphin and the hypothalamo\u2013pituitary\u2013adrenal axis during fetal development","volume":"73","author":"Szeto","year":"2003","journal-title":"Life Sci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib644","doi-asserted-by":"crossref","first-page":"696","DOI":"10.1124\/jpet.102.048561","article-title":"Endogenous opioid peptides contribute to antinociceptive potency of intrathecal [Dmt1]DALDA","volume":"305","author":"Szeto","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib645","doi-asserted-by":"crossref","first-page":"1071","DOI":"10.1001\/archpedi.157.11.1071","article-title":"Beta-endorphin concentration after administration of sucrose in preterm infants","volume":"157","author":"Taddio","year":"2003","journal-title":"Arch Pediatr Adolesc Med"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib646","doi-asserted-by":"crossref","first-page":"673","DOI":"10.1191\/0269216303pm824oa","article-title":"The oral-to-intravenous equianalgesic ratio of morphine based on plasma concentrations of morphine and metabolites in advanced cancer patients receiving chronic morphine treatment","volume":"17","author":"Takahashi","year":"2003","journal-title":"Palliat Med"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib647","doi-asserted-by":"crossref","first-page":"735","DOI":"10.1016\/S0196-9781(03)00124-4","article-title":"Anti-analgesic activity of enterostatin (VPDPR) is mediated by corticosterone","volume":"24","author":"Takenaka","year":"2003","journal-title":"Peptides"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib648","doi-asserted-by":"crossref","first-page":"385","DOI":"10.1093\/bja\/aeg191","article-title":"Roles of nociceptin\/orphanin FQ and nociceptin\/orphanin FQ peptide receptor in respiratory rhythm generation in the medulla oblongata: an in vitro study","volume":"91","author":"Takita","year":"2003","journal-title":"Br J Anaesth"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib649","doi-asserted-by":"crossref","first-page":"2999","DOI":"10.1111\/j.1460-9568.2003.03031.x","article-title":"Contribution of spinal inhibitory receptors in heterosegmental antinociception induced by noxious stimulation","volume":"18","author":"Tambeli","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib650","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1016\/j.ejps.2003.08.004","article-title":"Development of tolerance to the inhibitory effect of loperamide on gastrointestinal transit in mice","volume":"20","author":"Tan-No","year":"2003","journal-title":"Eur J Pharm Sci"},{"issue":"32","key":"10.1016\/j.peptides.2004.09.005_bib651","doi-asserted-by":"crossref","first-page":"10292","DOI":"10.1523\/JNEUROSCI.23-32-10292.2003","article-title":"Phosphoinositide 3-kinase cascade facilitates mu-opioid desensitization in sensory neurons by altering G-protein-effector interactions","volume":"23","author":"Tan","year":"2003","journal-title":"J Neurosci"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib652","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1017\/S002202990300623X","article-title":"The effect of morphine and naloxone on the release of prolactin during machine milking in dairy cows","volume":"70","author":"Tancin","year":"2003","journal-title":"J Dairy Res"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib653","doi-asserted-by":"crossref","first-page":"389","DOI":"10.1016\/S0304-3959(03)00047-2","article-title":"Long term effects of oral sustained release morphine on neuropsychological performance in patients with chronic non-cancer pain","volume":"104","author":"Tassain","year":"2003","journal-title":"Pain"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib654","first-page":"75","article-title":"Interindividual variation in the ratio between plasma morphine and its metabolites in cancer patients","volume":"23","author":"Tateishi","year":"2003","journal-title":"Int J Clin Pharmacol Res"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib655","doi-asserted-by":"crossref","first-page":"1129","DOI":"10.1046\/j.1471-4159.2003.01907.x","article-title":"Systemic morphine-induced release of serotonin in the rostroventral medulla is not mimicked by morphine microinjection into the periaqueductal gray","volume":"86","author":"Taylor","year":"2003","journal-title":"J Neurochem"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib656","first-page":"1846","article-title":"G protein-independent G1 cell cycle block and apoptosis with morphine in adenocarcinoma cells: involvement of p53 phosphorylation","volume":"63","author":"Tegeder","year":"2003","journal-title":"Cancer Res"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib657","doi-asserted-by":"crossref","first-page":"4182","DOI":"10.1523\/JNEUROSCI.23-10-04182.2003","article-title":"Serotonin 1A receptor agonists reverse respiratory abnormalities in spinal cord-injured rats","volume":"23","author":"Teng","year":"2003","journal-title":"J Neurosci"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib658","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1097\/00008877-200302000-00008","article-title":"Sex differences in (\u2212)-pentazocine antinociception: comparison to morphine and spiradoline in four rat strains using a thermal nociceptive assay","volume":"14","author":"Terner","year":"2003","journal-title":"Behav Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib659","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1016\/j.pain.2003.08.008","article-title":"Pharmacogenetic analysis of sex differences in opioid antinociception in rats","volume":"106","author":"Terner","year":"2003","journal-title":"Pain"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib660","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1016\/S1072-7515(02)01480-1","article-title":"Effects of morphine analgesia on diagnostic accuracy in Emergency Department patients with abdominal pain: a prospective, randomized trial","volume":"196","author":"Thomas","year":"2003","journal-title":"J Am Coll Surg"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib661","doi-asserted-by":"crossref","first-page":"445","DOI":"10.1002\/cne.10893","article-title":"Cellular interactions between axon terminals containing endogenous opioid peptides or corticotropin-releasing factor in the rat locus coeruleus and surrounding dorsal pontine tegmentum","volume":"466","author":"Tjoumakaris","year":"2003","journal-title":"J Comp Neurol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib662","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1046\/j.1365-2826.2003.00871.x","article-title":"Suppression of pulsatile luteinizing hormone secretion but not luteinizing hormone surge in leptin resistant obese Zucker rats","volume":"15","author":"Todd","year":"2003","journal-title":"J Neuroendocrinol"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib663","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/S0165-5728(02)00463-0","article-title":"Mu and delta receptors mediate morphine effects on phagocytosis by murine peritoneal macrophages","volume":"136","author":"Tomassini","year":"2003","journal-title":"J Neuroimmunol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib664","doi-asserted-by":"crossref","first-page":"529","DOI":"10.1023\/A:1025774716976","article-title":"Aggression and the three opioid families (endorphins, enkephalins, and dynorphins) in mice","volume":"33","author":"Tordjman","year":"2003","journal-title":"Behav Genet"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib665","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/s0304-3959(02)00153-7","article-title":"Involvement of local cholecystokinin in the tolerance induced by morphine microinjections into the periaqueductal gray of rats","volume":"102","author":"Tortorici","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib666","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1038\/sj.bjp.0705440","article-title":"Spinal administration of lipoxygenase inhibitors suppresses behavioural and neurochemical manifestations of naloxone-precipitated opioid withdrawal","volume":"140","author":"Trang","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib667","doi-asserted-by":"crossref","first-page":"366","DOI":"10.1002\/ana.10465","article-title":"Mu opioid receptors and analgesia at the site of a peripheral nerve injury","volume":"53","author":"Truong","year":"2003","journal-title":"Ann Neurol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib668","doi-asserted-by":"crossref","first-page":"206","DOI":"10.1191\/0269216303pm696oa","article-title":"An ad libitum schedule for conversion of morphine to methadone in advanced cancer patients: an open uncontrolled prospective study in a Chinese population","volume":"17","author":"Tse","year":"2003","journal-title":"Palliat Med"},{"issue":"5\u20136","key":"10.1016\/j.peptides.2004.09.005_bib669","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1046\/j.1440-1681.2003.03835.x","article-title":"Molecular basis of opioid dependence: role of signal regulation by G-proteins","volume":"30","author":"Tso","year":"2003","journal-title":"Clin Exp Pharmacol Physiol"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib670","doi-asserted-by":"crossref","first-page":"1023","DOI":"10.1007\/BF03018366","article-title":"Prophylactic iv ondansetron reduces nausea, vomiting and pruritus following epidural morphine for postoperative pain control","volume":"50","author":"Tzeng","year":"2003","journal-title":"Can J Anaesth"},{"issue":"2\u20133","key":"10.1016\/j.peptides.2004.09.005_bib671","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/j.lfs.2003.09.018","article-title":"New approaches to study the development of morphine tolerance and dependence","volume":"74","author":"Ueda","year":"2003","journal-title":"Life Sci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib672","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1016\/S0168-0102(03)00238-4","article-title":"Effects of acetylsalicylic acid and morphine on neurons of the rostral ventromedial medulla in rat","volume":"47","author":"Ulucan","year":"2003","journal-title":"Neurosci Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib673","doi-asserted-by":"crossref","first-page":"263","DOI":"10.1016\/S0376-8716(02)00325-3","article-title":"Opioid detoxification with buprenorphine, clonidine, or methadone in hospitalized heroin-dependent patients with HIV infection","volume":"69","author":"Umbricht","year":"2003","journal-title":"Drug Alcohol Depend"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib674","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/j.ejphar.2003.08.007","article-title":"Involvement of central mu-opioid system in the scratching behavior in mice, and the suppression of it by the activation of kappa-opioid system","volume":"477","author":"Umeuchi","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib675","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1093\/bja\/aeg163","article-title":"Pre-emptive analgesic efficacy of tramadol compared with morphine after major abdominal surgery","volume":"91","author":"Unlugenc","year":"2003","journal-title":"Br J Anaesth"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib676","doi-asserted-by":"crossref","first-page":"416","DOI":"10.1097\/00003643-200305000-00012","article-title":"Postoperative pain management with intravenous patient-controlled morphine: comparison of the effect of adding magnesium or ketamine","volume":"20","author":"Unlugenc","year":"2003","journal-title":"Eur J Anaesthesiol"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib677","doi-asserted-by":"crossref","first-page":"750","DOI":"10.1093\/bja\/aeg131","article-title":"Cerebral and lung kinetics of morphine in conscious sheep after short intravenous infusions","volume":"90","author":"Upton","year":"2003","journal-title":"Br J Anaesth"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib678","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1016\/S0006-8993(03)02805-1","article-title":"Beta-endorphin modulates the acute response to a social conflict in male mice but does not play a role in stress-induced changes in sleep","volume":"978","author":"Vaanholt","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib679","doi-asserted-by":"crossref","first-page":"435","DOI":"10.1016\/S0029-6465(02)00094-4","article-title":"The use of long-acting opioids in chronic pain management","volume":"38","author":"Vallerand","year":"2003","journal-title":"Nurs Clin North Am"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib680","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1016\/S0091-3057(03)00088-1","article-title":"Morphine conditioned place preference is attenuated by perinatal lead exposure","volume":"75","author":"Valles","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib681","first-page":"73","article-title":"Mechanisms of opioid delta (delta) and kappa (kappa) receptors\u2019 cardioprotection in ischaemic preconditioning in a rat model of myocardial infarction","volume":"14","author":"Valtchanova-Matchouganska","year":"2003","journal-title":"Cardiovasc J S Afr"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib682","doi-asserted-by":"crossref","first-page":"457","DOI":"10.1185\/030079903125002045","article-title":"Comparison of TTS-fentanyl with sustained-release oral morphine in the treatment of patients not using opioids for mild-to-moderate pain","volume":"19","author":"van Seventer","year":"2003","journal-title":"Curr Med Res Opin"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib683","first-page":"21","article-title":"Effects of imipramine treatment on delta-opioid receptors of the rat brain cortex and striatum","volume":"53","author":"Varona","year":"2003","journal-title":"Arzneimittelforschung"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib684","doi-asserted-by":"crossref","first-page":"362","DOI":"10.1038\/sj.bjp.0705261","article-title":"Cellular actions of opioids on periaqueductal grey neurons from C57B16\/J mice and mutant mice lacking MOR-1","volume":"139","author":"Vaughan","year":"2003","journal-title":"Br J Pharmacol"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib685","doi-asserted-by":"crossref","first-page":"1295","DOI":"10.1046\/j.1460-9568.2003.02837.x","article-title":"c-Fos and peptide immunoreactivities in the central extended amygdala of morphine-dependent rats after naloxone-precipitated withdrawal","volume":"18","author":"Veinante","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib686","doi-asserted-by":"crossref","first-page":"571","DOI":"10.1016\/S0361-9230(03)00194-1","article-title":"Prenatal morphine exposure suppresses mineralocorticoid receptor-dependent basal synaptic transmission and synaptic plasticity in the lateral perforant path in adult male rats","volume":"61","author":"Velisek","year":"2003","journal-title":"Brain Res Bull"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib687","doi-asserted-by":"crossref","first-page":"1581","DOI":"10.1152\/jn.01117.2002","article-title":"Glycinergic inputs to cardiac vagal neurons in the nucleus ambiguus are inhibited by nociceptin and mu-selective opioids","volume":"90","author":"Venkatesan","year":"2003","journal-title":"J Neurophysiol"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib688","doi-asserted-by":"crossref","first-page":"623","DOI":"10.1161\/01.RES.0000065169.23780.0E","article-title":"B is an agonist of nuclear opioid receptors coupling nuclear protein kinase C activation to the transcription of cardiogenic genes in GTR1 embryonic stem cells","volume":"92","author":"Ventura","year":"2003","journal-title":"Circ Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib689","doi-asserted-by":"crossref","first-page":"474","DOI":"10.1097\/00000542-200302000-00029","article-title":"Nociception in persistent pancreatitis in rats: effects of morphine and neuropeptide alterations","volume":"98","author":"Vera-Portocarrero","year":"2003","journal-title":"Anesthesiology"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib690","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1007\/s00213-002-1333-6","article-title":"Altered pain sensitivity and morphine-induced anti-nociception in mice lacking CCK2 receptors","volume":"166","author":"Veraksits","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib691","doi-asserted-by":"crossref","first-page":"1205","DOI":"10.1007\/s00702-003-0037-3","article-title":"The interaction of tetrahydroisoquinoline derivatives with antinociceptive action of morphine and oxotremorine in mice","volume":"110","author":"Vetulani","year":"2003","journal-title":"J Neural Transm"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib692","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/S0306-4522(03)00125-8","article-title":"Intrathecal substance p-saporin attenuates operant escape from nociceptive thermal stimuli","volume":"119","author":"Vierck","year":"2003","journal-title":"Neuroscience"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib693","doi-asserted-by":"crossref","first-page":"921","DOI":"10.1016\/S0306-4522(02)00825-4","article-title":"Mu opioid receptor signaling in morphine sensitization","volume":"117","author":"Vigano","year":"2003","journal-title":"Neuroscience"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib694","doi-asserted-by":"crossref","first-page":"804","DOI":"10.1124\/jpet.103.050039","article-title":"Antinociceptive activity of the N-methyl-d-aspartate receptor antagonist N-(2-Indanyl)-glycinamide hydrochloride (CHF3381) in experimental models of inflammatory and neuropathic pain","volume":"306","author":"Villetti","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib695","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/S0379-0738(03)00050-1","article-title":"Hair analysis of opiates in mothers and newborns for evaluating opiate exposure during pregnancy","volume":"133","author":"Vinner","year":"2003","journal-title":"Forensic Sci Int"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib696","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1016\/S0014-2999(02)02822-4","article-title":"Tolerance and dependence following chronic intracerebroventricular infusions of Tyr-d-Arg2-Phe-Sar4 (TAPS)","volume":"459","author":"Vonhof","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"Suppl","key":"10.1016\/j.peptides.2004.09.005_bib697","doi-asserted-by":"crossref","first-page":"134","DOI":"10.1023\/A:1024784225870","article-title":"Effect of potentiated antibodies to morphine on behavioral reactions in rats with morphine dependence","volume":"135","author":"Vorob\u2019eva","year":"2003","journal-title":"Bull Exp Biol Med"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib698","doi-asserted-by":"crossref","first-page":"449","DOI":"10.1097\/00000542-200308000-00028","article-title":"Interaction between the spinal melanocortin and opioid systems in a rat model of neuropathic pain","volume":"99","author":"Vrinten","year":"2003","journal-title":"Anesthesiology"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib699","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1016\/S0304-3959(02)00312-3","article-title":"Tumor implantation in mouse humerus evokes movement-related hyperalgesia exceeding that evoked by intramuscular carrageenan","volume":"101","author":"Wacnik","year":"2003","journal-title":"Pain"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib700","doi-asserted-by":"crossref","first-page":"52","DOI":"10.1007\/s00213-003-1488-9","article-title":"Opioids, cocaine, and food change runtime distribution in a rat runway procedure","volume":"169","author":"Wakonigg","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib701","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1016\/S0091-3057(03)00043-1","article-title":"The effects of alprazolam on conditioned place preferences produced by intravenous heroin","volume":"75","author":"Walker","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib702","doi-asserted-by":"crossref","first-page":"349","DOI":"10.1016\/S0091-3057(03)00094-7","article-title":"Chronic opioid exposure produces increased heroin self-administration in rats","volume":"75","author":"Walker","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"key":"10.1016\/j.peptides.2004.09.005_bib703","first-page":"148","article-title":"Anti-inflammatory effects of opioids","volume":"521","author":"Walker","year":"2003","journal-title":"Adv Exp Med Biol"},{"issue":"12","key":"10.1016\/j.peptides.2004.09.005_bib704","doi-asserted-by":"crossref","first-page":"780","DOI":"10.1007\/s00520-003-0530-0","article-title":"Oral morphine and respiratory function amongst hospice inpatients with advanced cancer","volume":"11","author":"Walsh","year":"2003","journal-title":"Support Care Cancer"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib705","doi-asserted-by":"crossref","first-page":"1237","DOI":"10.1046\/j.1471-4159.2003.02090.x","article-title":"Differential distribution of CREB in the mesolimbic dopamine reward pathway","volume":"87","author":"Walters","year":"2003","journal-title":"J Neurochem"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib706","first-page":"1055","article-title":"Involvement of dynorphin A in the inhibition of morphine physical dependence by N-nitro-l-arginine in rats","volume":"116","author":"Wan","year":"2003","journal-title":"Chin Med J (Engl)"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib707","first-page":"449","article-title":"Effect of 6-OHDA lesions of the dopaminergic mesolimbic system on drug priming induced reinstatement of extinguished morphine CPP in rats","volume":"35","author":"Wang","year":"2003","journal-title":"Beijing Da Xue Xue Bao"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib708","first-page":"241","article-title":"Inhibition by peripheral electric stimulation of the reinstatement of morphine-induced place preference in rats and drug-craving in heroin addicts","volume":"35","author":"Wang","year":"2003","journal-title":"Beijing Da Xue Xue Bao"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib709","doi-asserted-by":"crossref","first-page":"695","DOI":"10.1016\/S0306-4522(02)00926-0","article-title":"Postnatal development of mu-opioid receptors in the rat caudate-putamen nucleus parallels asymmetric synapse formation","volume":"118","author":"Wang","year":"2003","journal-title":"Neuroscience"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib710","doi-asserted-by":"crossref","first-page":"343","DOI":"10.1002\/cne.10920","article-title":"Ultrastructural localization of delta-opioid receptors in the rat caudate-putamen nucleus during postnatal development: relation to synaptogenesis","volume":"467","author":"Wang","year":"2003","journal-title":"J Comp Neurol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib711","doi-asserted-by":"crossref","first-page":"1127","DOI":"10.1124\/jpet.103.055814","article-title":"Differential effects of agonists on adenylyl cyclase superactivation mediated by the kappa opioid receptors: adenylyl cyclase superactivation is independent of agonist-induced phosphorylation, desensitization, internalization, and down-regulation","volume":"307","author":"Wang","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib712","doi-asserted-by":"crossref","first-page":"631","DOI":"10.1016\/j.bbrc.2003.08.046","article-title":"Effects of c-fos antisense oligodeoxynucleotide on 5-HT-induced upregulation of preprodynorphin, preproenkephalin, and glutamic acid decarboxylase mRNA expression in cultured rat spinal dorsal horn neurons","volume":"309","author":"Wang","year":"2003","journal-title":"Biochem Biophys Res Commun"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib713","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1016\/S0014-2999(03)01484-5","article-title":"Reversal of morphine antinociceptive tolerance by acute spinal inhibition of Ca(2+)\/calmodulin-dependent protein kinase II","volume":"465","author":"Wang","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib714","doi-asserted-by":"crossref","first-page":"270","DOI":"10.1016\/S0006-8993(03)02759-8","article-title":"SCH58,261, a selective adenosine A2A receptor antagonist, decreases the haloperidol-enhanced proenkephalin mRNA expression in the rat striatum","volume":"977","author":"Wardas","year":"2003","journal-title":"Brain Res"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib715","doi-asserted-by":"crossref","first-page":"747","DOI":"10.1016\/j.neuroscience.2003.08.002","article-title":"The role of metabotropic glutamate receptors in regulation of striatal proenkephalin expression: implications for the therapy of Parkinson's disease","volume":"122","author":"Wardas","year":"2003","journal-title":"Neuroscience"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib716","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1016\/S0304-3959(03)00296-3","article-title":"The role of spinal nitric oxide and glutamate in nociceptive behaviour evoked by high-dose intrathecal morphine in rats","volume":"106","author":"Watanabe","year":"2003","journal-title":"Pain"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib717","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1016\/S0006-8993(03)03440-1","article-title":"Evidence that nitric oxide-glutamate cascade modulates spinal antinociceptive effect of morphine: a behavioural and microdialysis study in rats","volume":"990","author":"Watanabe","year":"2003","journal-title":"Brain Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib718","doi-asserted-by":"crossref","first-page":"80","DOI":"10.1007\/s00213-003-1504-0","article-title":"Involvement of noradrenergic system within the central nucleus of the amygdala in naloxone-precipitated morphine withdrawal-induced conditioned place aversion in rats","volume":"170","author":"Watanabe","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib719","doi-asserted-by":"crossref","first-page":"338","DOI":"10.1046\/j.1471-4159.2003.01683.x","article-title":"Pivotal roles of alpha-melanocyte-stimulating hormone and the melanocortin 4 receptor in leptin stimulation of prolactin secretion in rats","volume":"85","author":"Watanobe","year":"2003","journal-title":"J Neurochem"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib720","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1016\/S0304-3959(03)00160-X","article-title":"Controlled-release oxycodone relieves neuropathic pain: a randomized controlled trial in painful diabetic neuropathy","volume":"105","author":"Watson","year":"2003","journal-title":"Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib721","doi-asserted-by":"crossref","first-page":"789","DOI":"10.1213\/01.ANE.0000048088.17761.B4","article-title":"A single small dose of postoperative ketamine provides rapid and sustained improvement in morphine analgesia in the presence of morphine-resistant pain","volume":"96","author":"Weinbroum","year":"2003","journal-title":"Anesth Analg"},{"issue":"9","key":"10.1016\/j.peptides.2004.09.005_bib722","doi-asserted-by":"crossref","first-page":"505","DOI":"10.1016\/j.jpain.2003.08.002","article-title":"The influence of gender and race on physicians\u2019 pain management decisions","volume":"4","author":"Weisse","year":"2003","journal-title":"J Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib723","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1016\/S0304-3959(03)00260-4","article-title":"Effect of morphine sulphate eye drops on hyperalgesia in the rat cornea","volume":"105","author":"Wenk","year":"2003","journal-title":"Pain"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib724","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/S0014-2999(03)01856-9","article-title":"Cannabinoid pharmacological properties common to other centrally acting drugs","volume":"471","author":"Wiley","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib725","doi-asserted-by":"crossref","first-page":"2882","DOI":"10.1523\/JNEUROSCI.23-07-02882.2003","article-title":"Nucleus accumbens mu-opioids regulate intake of a high-fat diet via activation of a distributed brain network","volume":"23","author":"Will","year":"2003","journal-title":"J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib726","doi-asserted-by":"crossref","first-page":"513","DOI":"10.1016\/S0306-4530(02)00037-9","article-title":"Effect of opioid receptor antagonists on hypothalamic\u2013pituitary\u2013adrenal activity in rhesus monkeys","volume":"28","author":"Williams","year":"2003","journal-title":"Psychoneuroendocrinology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib727","doi-asserted-by":"crossref","first-page":"1053","DOI":"10.1046\/j.1460-9568.2003.02525.x","article-title":"Topography of cocaine-induced gene regulation in the rat striatum: relationship to cortical inputs and role of behavioural context","volume":"17","author":"Willuhn","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib728","doi-asserted-by":"crossref","first-page":"267","DOI":"10.1016\/j.brainres.2003.08.013","article-title":"Convergent effects of oxytocin and a delta-opioid agonist in the bed nuclei of the stria terminalis of the peripartum rat","volume":"991","author":"Wilson","year":"2003","journal-title":"Brain Res"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib729","doi-asserted-by":"crossref","first-page":"459","DOI":"10.1177\/104990910302000608","article-title":"Morphine hyperalgesia: a case report","volume":"20","author":"Wilson","year":"2003","journal-title":"Am J Hosp Palliat Care"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib730","doi-asserted-by":"crossref","first-page":"R1055","DOI":"10.1152\/ajpregu.00108.2003","article-title":"An orexigenic role for mu-opioid receptors in the lateral parabrachial nucleus","volume":"285","author":"Wilson","year":"2003","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"key":"10.1016\/j.peptides.2004.09.005_bib731","doi-asserted-by":"crossref","first-page":"472","DOI":"10.1111\/j.1749-6632.2003.tb07102.x","article-title":"Effect of amygdalar opioids on the anxiolytic properties of ethanol","volume":"985","author":"Wilson","year":"2003","journal-title":"Ann NY Acad Sci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib732","doi-asserted-by":"crossref","first-page":"547","DOI":"10.1124\/jpet.102.041889","article-title":"The heritability of antinociception: common pharmacogenetic mediation of five neurochemically distinct analgesics","volume":"304","author":"Wilson","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib733","doi-asserted-by":"crossref","first-page":"1063","DOI":"10.1016\/S0306-4522(03)00007-1","article-title":"Regulation of neuropeptide mRNA expression in the basal ganglia by intrastriatal and intranigral transplants in the rat Parkinson model","volume":"118","author":"Winkler","year":"2003","journal-title":"Neuroscience"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib734","doi-asserted-by":"crossref","first-page":"798","DOI":"10.1213\/01.ANE.0000075835.73967.F3","article-title":"Antinociceptive properties of neurosteroids: a comparison of alphadolone and alphaxalone in potentiation of opioid antinociception","volume":"97","author":"Winter","year":"2003","journal-title":"Anesth Analg"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib735","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1016\/S0891-0618(03)00031-0","article-title":"Expression of opioid peptides and receptors in striatum and substantia nigra during rat brain development","volume":"26","author":"Winzer-Serhan","year":"2003","journal-title":"J Chem Neuroanat"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib736","doi-asserted-by":"crossref","first-page":"1295","DOI":"10.1097\/00000542-200312000-00010","article-title":"Sleep arousal after lower abdominal surgery and relation to recovery from respiratory obstruction","volume":"99","author":"Wu","year":"2003","journal-title":"Anesthesiology"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib737","doi-asserted-by":"crossref","first-page":"1135","DOI":"10.1124\/jpet.103.056242","article-title":"Dynorphinergic mechanism mediating endomorphin-2-induced antianalgesia in the mouse spinal cord","volume":"307","author":"Wu","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib738","first-page":"121","article-title":"Effect of morphine and M-cholinoceptor blocking drugs on human sphincter of Oddi during choledochofiberscopy manometry","volume":"2","author":"Wu","year":"2003","journal-title":"Hepatobiliary Pancreat Dis Int"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib739","doi-asserted-by":"crossref","first-page":"148","DOI":"10.1097\/00002508-200305000-00002","article-title":"Treatment of pain in pregnancy","volume":"19","author":"Wunsch","year":"2003","journal-title":"Clin J Pain"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib740","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1002\/syn.10144","article-title":"Opioid peptide receptor studies","volume":"47","author":"Xu","year":"2003","journal-title":"Synapse"},{"issue":"11","key":"10.1016\/j.peptides.2004.09.005_bib741","doi-asserted-by":"crossref","first-page":"4775","DOI":"10.1523\/JNEUROSCI.23-11-04775.2003","article-title":"Morphine withdrawal increases glutamate uptake and surface expression of glutamate transporter GLT1 at hippocampal synapses","volume":"23","author":"Xu","year":"2003","journal-title":"J Neurosci"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib742","doi-asserted-by":"crossref","first-page":"1015","DOI":"10.1016\/S0306-4522(03)00069-1","article-title":"Antinociceptive effect of calcitonin gene-related peptide in the central nucleus of amygdala: activating opioid receptors through amygdala-periaqueductal gray pathway","volume":"118","author":"Xu","year":"2003","journal-title":"Neuroscience"},{"issue":"10","key":"10.1016\/j.peptides.2004.09.005_bib743","doi-asserted-by":"crossref","first-page":"6204","DOI":"10.1073\/pnas.0930324100","article-title":"Adeno-associated viral transfer of opioid receptor gene to primary sensory neurons: a strategy to increase opioid antinociception","volume":"100","author":"Xu","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib744","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1097\/00115550-200301000-00003","article-title":"Ketamine stimulates secretion of beta-endorphin from a mouse pituitary cell line","volume":"28","author":"YaDeau","year":"2003","journal-title":"Reg Anesth Pain Med"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib745","doi-asserted-by":"crossref","first-page":"174","DOI":"10.1097\/00000542-200307000-00028","article-title":"Chronically infused intrathecal morphine in dogs","volume":"99","author":"Yaksh","year":"2003","journal-title":"Anesthesiology"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib746","doi-asserted-by":"crossref","first-page":"395","DOI":"10.2131\/jts.28.395","article-title":"Formation of highly analgesic morphine-6-glucuronide following physiologic concentration of morphine in human brain","volume":"28","author":"Yamada","year":"2003","journal-title":"J Toxicol Sci"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib747","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1023\/A:1022997805525","article-title":"Intrathecal adenosine A1 receptor agonist attenuates hyperalgesia without inhibiting spinal glutamate release in the rat","volume":"23","author":"Yamamoto","year":"2003","journal-title":"Cell Mol Neurobiol"},{"issue":"7","key":"10.1016\/j.peptides.2004.09.005_bib748","doi-asserted-by":"crossref","first-page":"525","DOI":"10.1016\/j.jclinane.2003.03.007","article-title":"Preoperative droperidol improved postoperative pain relief in patients undergoing rotator-cuff repair during general anesthesia using intravenous morphine","volume":"15","author":"Yamamoto","year":"2003","journal-title":"J Clin Anesth"},{"issue":"5 Pt 2","key":"10.1016\/j.peptides.2004.09.005_bib749","doi-asserted-by":"crossref","first-page":"S5","DOI":"10.1301\/nr.2003.may.S5-S9","article-title":"Brain mechanisms of sweetness and palatability of sugars","volume":"61","author":"Yamamoto","year":"2003","journal-title":"Nutr Rev"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib750","doi-asserted-by":"crossref","first-page":"72","DOI":"10.1016\/S0022-4804(03)00196-3","article-title":"[d-Ala2, d-Leu5] enkephalin (DADLE) protects liver against ischemia-reperfusion injury in the rat","volume":"114","author":"Yamanouchi","year":"2003","journal-title":"J Surg Res"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib751","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1016\/S0306-4522(02)00931-4","article-title":"Activation of spinal neuropeptide FF and the neuropeptide FF receptor 2 during inflammatory hyperalgesia in rats","volume":"118","author":"Yang","year":"2003","journal-title":"Neuroscience"},{"issue":"8","key":"10.1016\/j.peptides.2004.09.005_bib752","doi-asserted-by":"crossref","first-page":"915","DOI":"10.1002\/hipo.10137","article-title":"Prenatal administration of morphine decreases CREBSerine-133 phosphorylation and synaptic plasticity range mediated by glutamatergic transmission in the hippocampal CA1 area of cognitive-deficient rat offspring","volume":"13","author":"Yang","year":"2003","journal-title":"Hippocampus"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib753","doi-asserted-by":"crossref","first-page":"2117","DOI":"10.1073\/pnas.0334906100","article-title":"In vivo activation of a mutant mu-opioid receptor by antagonist: future direction for opiate pain treatment paradigm that lacks undesirable side effects","volume":"100","author":"Yang","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib754","doi-asserted-by":"crossref","first-page":"612","DOI":"10.1016\/S0028-3908(03)00234-X","article-title":"The rostral ventromedial medulla mediates the facilitatory effect of microinjected orphanin FQ in the periaqueductal gray on spinal nociceptive transmission in rats","volume":"45","author":"Yang","year":"2003","journal-title":"Neuropharmacology"},{"issue":"6","key":"10.1016\/j.peptides.2004.09.005_bib755","doi-asserted-by":"crossref","first-page":"639","DOI":"10.1097\/00075197-200311000-00006","article-title":"Alcohol and food intake","volume":"6","author":"Yeomans","year":"2003","journal-title":"Curr Opin Clin Nutr Metab Care"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib756","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1016\/S0304-3959(03)00245-8","article-title":"Topical cannabinoid enhances topical morphine antinociception","volume":"105","author":"Yesilyurt","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib757","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1002\/syn.10149","article-title":"Role of G(i)alpha2-protein in opioid tolerance and mu-opioid receptor downregulation in vivo","volume":"47","author":"Yoburn","year":"2003","journal-title":"Synapse"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib758","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1016\/S0304-3940(03)00410-5","article-title":"Differential effects of morphine and cocaine on locomotor activity and sensitization in mu-opioid receptor knockout mice","volume":"344","author":"Yoo","year":"2003","journal-title":"Neurosci Lett"},{"issue":"15","key":"10.1016\/j.peptides.2004.09.005_bib759","doi-asserted-by":"crossref","first-page":"9028","DOI":"10.1073\/pnas.1533224100","article-title":"The neuropeptide galanin modulates behavioral and neurochemical signs of opiate withdrawal","volume":"100","author":"Zachariou","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib760","doi-asserted-by":"crossref","first-page":"242","DOI":"10.1007\/s00213-003-1540-9","article-title":"Characterizing the subjective, psychomotor, and physiological effects of oral oxycodone in non-drug-abusing volunteers","volume":"170","author":"Zacny","year":"2003","journal-title":"Psychopharmacology (Berl)"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib761","doi-asserted-by":"crossref","first-page":"636","DOI":"10.1067\/mva.2003.165","article-title":"Opioid growth factor inhibits intimal hyperplasia in balloon-injured rat carotid artery","volume":"37","author":"Zagon","year":"2003","journal-title":"J Vasc Surg"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib762","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/S0143-4179(03)00007-6","article-title":"Opioids the apoptotic pathway in human cancer cells","volume":"37","author":"Zagon","year":"2003","journal-title":"Neuropeptides"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib763","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1034\/j.1600-079X.2003.00047.x","article-title":"Gene expression and functional characterization of melatonin receptors in the spinal cord of the rat: implications for pain modulation","volume":"35","author":"Zahn","year":"2003","journal-title":"J Pineal Res"},{"issue":"5","key":"10.1016\/j.peptides.2004.09.005_bib764","doi-asserted-by":"crossref","first-page":"1067","DOI":"10.1046\/j.1460-9568.2003.02509.x","article-title":"Nucleus accumbens beta-endorphin levels are not elevated by brain stimulation reward but do increase with extinction","volume":"17","author":"Zangen","year":"2003","journal-title":"Eur J Neurosci"},{"issue":"1\u20132","key":"10.1016\/j.peptides.2004.09.005_bib765","doi-asserted-by":"crossref","first-page":"212","DOI":"10.1016\/S0006-8993(02)04201-4","article-title":"Involvement of dopamine D1 receptors of the central amygdala on the acquisition and expression of morphine-induced place preference in rat","volume":"965","author":"Zarrindast","year":"2003","journal-title":"Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib766","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/S0091-3057(02)01002-X","article-title":"Cross-tolerance between morphine- and nicotine-induced conditioned place preference in mice","volume":"74","author":"Zarrindast","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"1\u20133","key":"10.1016\/j.peptides.2004.09.005_bib767","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1016\/j.ejphar.2003.10.006","article-title":"Role of nitric oxide in the acquisition and expression of apomorphine- or morphine-induced locomotor sensitization","volume":"482","author":"Zarrindast","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib768","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1016\/S0014-2999(03)01913-7","article-title":"Effects of imipramine on the expression and development of morphine dependence in mice","volume":"473","author":"Zarrindast","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib769","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/S0014-2999(03)01818-1","article-title":"Influence of histamine, cimetidine and pyrilamine on naloxone-induced jumping in morphine-dependent mice","volume":"471","author":"Zarrindast","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib770","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1097\/01.jcp.0000084031.22282.24","article-title":"Comparative abuse liability and pharmacological effects of meprobamate, triazolam, and butabarbital","volume":"23","author":"Zawertailo","year":"2003","journal-title":"J Clin Psychopharmacol"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib771","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1124\/jpet.102.046979","article-title":"Nociceptin\/orphanin FQ and its receptor\u2014potential targets for pain therapy?","volume":"306","author":"Zeilhofer","year":"2003","journal-title":"J Pharmacol Exp Ther"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib772","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1016\/S0891-0618(03)00038-3","article-title":"Neuropeptide FF receptor 2 (NPFF2) is localized to pain-processing regions in the primate spinal cord and the lower level of the medulla oblongata","volume":"25","author":"Zeng","year":"2003","journal-title":"J Chem Neuroanat"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib773","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1037\/0735-7044.117.2.202","article-title":"Nucleus accumbens opioid, GABaergic, and dopaminergic modulation of palatable food motivation: contrasting effects revealed by a progressive ratio study in the rat","volume":"117","author":"Zhang","year":"2003","journal-title":"Behav Neurosci"},{"issue":"1\u20133","key":"10.1016\/j.peptides.2004.09.005_bib774","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1016\/S0014-2999(03)01567-X","article-title":"L-type Ca(2+) channel blockers inhibit the development but not the expression of sensitization to morphine in mice","volume":"467","author":"Zhang","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib775","doi-asserted-by":"crossref","first-page":"213","DOI":"10.1016\/j.neulet.2003.09.043","article-title":"Strain differences in pain sensitivity and expression of preprodynorphin mRNA in rats following peripheral inflammation","volume":"353","author":"Zhang","year":"2003","journal-title":"Neurosci Lett"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib776","doi-asserted-by":"crossref","first-page":"929","DOI":"10.1016\/S0091-3057(03)00172-2","article-title":"Susceptibility to morphine place conditioning: relationship with stress-induced locomotion and novelty-seeking behavior in juvenile and adult rats","volume":"75","author":"Zheng","year":"2003","journal-title":"Pharmacol Biochem Behav"},{"issue":"1","key":"10.1016\/j.peptides.2004.09.005_bib777","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1016\/S0196-9781(02)00287-5","article-title":"Substance P(1\u20137) affects the expression of dopamine D2 receptor mRNA in male rat brain during morphine withdrawal","volume":"24","author":"Zhou","year":"2003","journal-title":"Peptides"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib778","doi-asserted-by":"crossref","first-page":"622","DOI":"10.1002\/jnr.10770","article-title":"Plastic changes of calcitonin gene-related peptide in morphine tolerance: behavioral and immunohistochemical study in rats","volume":"74","author":"Zhou","year":"2003","journal-title":"J Neurosci Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib779","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1016\/S0006-8993(02)03929-X","article-title":"Alterations in hypothalamic\u2013pituitary\u2013adrenal axis activity and in levels of proopiomelanocortin and corticotropin-releasing hormone-receptor 1 mRNAs in the pituitary and hypothalamus of the rat during chronic \u2018binge\u2019 cocaine and withdrawal","volume":"964","author":"Zhou","year":"2003","journal-title":"Brain Res"},{"issue":"1\u20133","key":"10.1016\/j.peptides.2004.09.005_bib780","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1016\/S0014-2999(03)01601-7","article-title":"Morphine-induced potentiation in the dentate gyrus of the hippocampus involves norepinephrine","volume":"467","author":"Zhu","year":"2003","journal-title":"Eur J Pharmacol"},{"issue":"3","key":"10.1016\/j.peptides.2004.09.005_bib781","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1016\/S0304-3959(03)00051-4","article-title":"Ontogeny of NMDA receptor-mediated morphine tolerance in the postnatal rat","volume":"104","author":"Zhu","year":"2003","journal-title":"Pain"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib782","doi-asserted-by":"crossref","first-page":"154","DOI":"10.1016\/S0169-328X(03)00170-0","article-title":"Region-specific changes in NMDA receptor mRNA induced by chronic morphine treatment are prevented by the co-administration of the competitive NMDA receptor antagonist LY274,614","volume":"114","author":"Zhu","year":"2003","journal-title":"Brain Res Mol Brain Res"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib783","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/S0165-3806(03)00059-2","article-title":"The clinically available NMDA receptor antagonist dextromethorphan attenuates acute morphine withdrawal in the neonatal rat","volume":"142","author":"Zhu","year":"2003","journal-title":"Brain Res Dev Brain Res"},{"issue":"4","key":"10.1016\/j.peptides.2004.09.005_bib784","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1002\/syn.10271","article-title":"Dopamine responsiveness to drugs of abuse: a shell-core investigation in the nucleus accumbens of the mouse","volume":"50","author":"Zocchi","year":"2003","journal-title":"Synapse"},{"issue":"2","key":"10.1016\/j.peptides.2004.09.005_bib785","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1124\/mol.64.2.202","article-title":"Painful inflammation-induced increase in mu-opioid receptor binding and G-protein coupling in primary afferent neurons","volume":"64","author":"Zollner","year":"2003","journal-title":"Mol Pharmacol"}],"container-title":["Peptides"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0196978104004024?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0196978104004024?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2023,4,30]],"date-time":"2023-04-30T00:11:53Z","timestamp":1682813513000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0196978104004024"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2004,12]]},"references-count":788,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2004,12]]}},"alternative-id":["S0196978104004024"],"URL":"https:\/\/doi.org\/10.1016\/j.peptides.2004.09.005","relation":{},"ISSN":["0196-9781"],"issn-type":[{"value":"0196-9781","type":"print"}],"subject":[],"published":{"date-parts":[[2004,12]]}}}