{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T16:43:47Z","timestamp":1777653827215,"version":"3.51.4"},"reference-count":31,"publisher":"Oxford University Press (OUP)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Analytical Toxicology"],"published-print":{"date-parts":[[2012,5,1]]},"DOI":"10.1093\/jat\/bks020","type":"journal-article","created":{"date-parts":[[2012,4,16]],"date-time":"2012-04-16T14:42:38Z","timestamp":1334587358000},"page":"239-249","source":"Crossref","is-referenced-by-count":25,"title":["Evaluating the Relationship of Methadone Concentrations and EDDP Formation in Chronic Pain Patients"],"prefix":"10.1093","volume":"36","author":[{"given":"E.","family":"Leimanis","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B. M.","family":"Best","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. S.","family":"Atayee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. J.","family":"Pesce","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2012,4,16]]},"reference":[{"key":"1_42366625","doi-asserted-by":"crossref","first-page":"287","DOI":"10.1111\/j.1533-2500.2008.00204.x","volume":"8","year":"2008","journal-title":"PAIN PRACTICE"},{"key":"2_29963047","first-page":"1275","volume":"13","year":"1999","journal-title":"Oncology","ISSN":"https:\/\/id.crossref.org\/issn\/0030-2414","issn-type":"print"},{"issue":"4","key":"3_18359063","doi-asserted-by":"publisher","first-page":"339","DOI":"10.1046\/j.1526-4637.2002.02047.x","volume":"3","author":"Fishman","year":"2002","journal-title":"Pain medicine (Malden, Mass.)","ISSN":"https:\/\/id.crossref.org\/issn\/1526-2375","issn-type":"print"},{"issue":"2 Suppl","key":"4_31309291","doi-asserted-by":"crossref","first-page":"S133","DOI":"10.36076\/ppj.2008\/11\/S133","volume":"11","author":"Trescot","year":"2008","ISSN":"https:\/\/id.crossref.org\/issn\/1533-3159","issn-type":"print"},{"issue":"2 Suppl","key":"5_31309294","first-page":"S5","volume":"11","author":"Trescot","year":"2008","ISSN":"https:\/\/id.crossref.org\/issn\/1533-3159","issn-type":"print"},{"key":"7_42366626","doi-asserted-by":"crossref","first-page":"551","DOI":"10.1016\/j.phrs.2004.05.002","volume":"50","year":"2004","journal-title":"PHARMACOLOGICAL RESEARCH THE OFFICIAL JOURNAL OF THE ITALIAN PHARMACOLOGICAL SOCIETY"},{"issue":"2","key":"8_16430673","doi-asserted-by":"publisher","first-page":"365","DOI":"10.1021\/tx950116m","volume":"9","author":"Iribarne","year":"1996","journal-title":"Chemical research in toxicology","ISSN":"https:\/\/id.crossref.org\/issn\/0893-228X","issn-type":"print"},{"issue":"6","key":"9_19321551","doi-asserted-by":"publisher","first-page":"593","DOI":"10.1016\/j.clpt.2005.08.011","volume":"78","author":"Baur","year":"2005","journal-title":"Clinical pharmacology and therapeutics","ISSN":"https:\/\/id.crossref.org\/issn\/0009-9236","issn-type":"print"},{"issue":"5","key":"10_31708426","doi-asserted-by":"publisher","first-page":"519","DOI":"10.1080\/09595230802245519","volume":"27","author":"Hines","year":"2008","journal-title":"Drug and alcohol review","ISSN":"https:\/\/id.crossref.org\/issn\/0959-5236","issn-type":"print"},{"key":"11_42366627","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1517\/17425255.4.1.77","volume":"4","year":"2008","journal-title":"EXPERT OPINION ON DRUG METABOLISM"},{"issue":"3","key":"12_30511926","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1097\/ALN.0b013e3181642938","volume":"108","author":"Totah","year":"2008","journal-title":"Anesthesiology","ISSN":"https:\/\/id.crossref.org\/issn\/0003-3022","issn-type":"print"},{"key":"13_42366628","doi-asserted-by":"crossref","first-page":"55","DOI":"10.1111\/j.1742-7843.2010.00628.x","volume":"108","year":"2011","journal-title":"BASIC AND CLINICAL PHARMACOLOGY TOXICOLOGY"},{"issue":"7-8","key":"14_35658810","first-page":"469","volume":"119","author":"Chou","year":"2009","journal-title":"Polskie archiwum medycyny wewn&#x00A0;&#x00A0;trznej","ISSN":"https:\/\/id.crossref.org\/issn\/0032-3772","issn-type":"print"},{"issue":"7","key":"15_41554066","doi-asserted-by":"publisher","first-page":"579","DOI":"10.1093\/jat\/24.7.579","volume":"24","year":"2000","journal-title":"Journal of Analytical Toxicology","ISSN":"https:\/\/id.crossref.org\/issn\/0146-4760","issn-type":"print"},{"issue":"11","key":"16_9614898","doi-asserted-by":"crossref","first-page":"1927","DOI":"10.1093\/clinchem\/37.11.1927","volume":"37","author":"Lafolie","year":"1991","journal-title":"Clinical Chemistry","ISSN":"https:\/\/id.crossref.org\/issn\/0009-9147","issn-type":"print"},{"issue":"6","key":"17_41553805","doi-asserted-by":"publisher","first-page":"460","DOI":"10.1093\/jat\/22.6.460","volume":"22","year":"1998","journal-title":"Journal of Analytical Toxicology","ISSN":"https:\/\/id.crossref.org\/issn\/0146-4760","issn-type":"print"},{"issue":"1","key":"18_41554388","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1093\/jat\/33.1.1","volume":"33","year":"2009","journal-title":"Journal of Analytical Toxicology","ISSN":"https:\/\/id.crossref.org\/issn\/0146-4760","issn-type":"print"},{"issue":"4","key":"19_9940240","doi-asserted-by":"crossref","first-page":"1125","DOI":"10.1520\/JFS13298J","volume":"37","author":"Needleman","year":"1992","journal-title":"Journal of Forensic Sciences","ISSN":"https:\/\/id.crossref.org\/issn\/1556-4029","issn-type":"print"},{"issue":"23","key":"20_12595491","first-page":"2773","volume":"73","author":"Kreek","year":"1973","journal-title":"New York State Journal of Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0028-7628","issn-type":"print"},{"issue":"1","key":"21_7969123","doi-asserted-by":"publisher","first-page":"53","DOI":"10.1007\/BF00644967","volume":"16","author":"Angg\u00a0\u00a0rd","year":"1979","journal-title":"European journal of clinical pharmacology","ISSN":"https:\/\/id.crossref.org\/issn\/0031-6970","issn-type":"print"},{"issue":"2","key":"22_9399001","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1093\/clinchem\/37.2.205","volume":"37","author":"Wolff","year":"1991","journal-title":"Clinical Chemistry","ISSN":"https:\/\/id.crossref.org\/issn\/0009-9147","issn-type":"print"},{"issue":"6","key":"23_41554448","doi-asserted-by":"publisher","first-page":"332","DOI":"10.1093\/jat\/27.6.332","volume":"27","year":"2003","journal-title":"Journal of Analytical Toxicology","ISSN":"https:\/\/id.crossref.org\/issn\/0146-4760","issn-type":"print"},{"issue":"1","key":"24_15534117","doi-asserted-by":"crossref","first-page":"5","DOI":"10.1300\/J069v13n01_02","volume":"13","author":"Kell","year":"1994","journal-title":"Journal of addictive diseases : the official journal of the ASAM, American Society of Addiction Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/1055-0887","issn-type":"print"},{"issue":"1","key":"25_11233998","doi-asserted-by":"publisher","first-page":"48","DOI":"10.1067\/mcp.2001.116793","volume":"70","author":"Boulton","year":"2001","journal-title":"Clinical pharmacology and therapeutics","ISSN":"https:\/\/id.crossref.org\/issn\/0009-9236","issn-type":"print"},{"key":"26_42366629","doi-asserted-by":"crossref","first-page":"170","DOI":"10.1007\/s12024-008-9039-7","volume":"4","year":"2008","journal-title":"FORENSIC SCIENCE MEDICINE AND PATHOLOGY"},{"issue":"1","key":"27_18042210","doi-asserted-by":"publisher","first-page":"11","DOI":"10.2174\/1389200043489108","volume":"5","author":"Woodahl","year":"2004","journal-title":"Current drug metabolism","ISSN":"https:\/\/id.crossref.org\/issn\/1389-2002","issn-type":"print"},{"key":"28_42366630","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1007\/BF03256276","volume":"12","year":"2008","journal-title":"MOLECULAR DIAGNOSIS AND THERAPY"},{"issue":"14","key":"29_17306569","doi-asserted-by":"publisher","first-page":"1153","DOI":"10.2165\/00003088-200241140-00003","volume":"41","author":"Eap","year":"2002","journal-title":"Clinical pharmacokinetics","ISSN":"https:\/\/id.crossref.org\/issn\/0312-5963","issn-type":"print"},{"key":"30_42366631","first-page":"638","volume":"50","year":"2009","ISSN":"https:\/\/id.crossref.org\/issn\/1545-7206","issn-type":"print"},{"issue":"1","key":"31_36604251","doi-asserted-by":"publisher","first-page":"4","DOI":"10.1111\/j.1521-0391.2009.00005.x","volume":"19","author":"McCance-Katz","year":"2010","journal-title":"The American journal on addictions \/ American Academy of Psychiatrists in Alcoholism and Addictions","ISSN":"https:\/\/id.crossref.org\/issn\/1055-0496","issn-type":"print"},{"issue":"1","key":"32_36604250","doi-asserted-by":"publisher","first-page":"2","DOI":"10.1111\/j.1521-0391.2009.00011.x","volume":"19","author":"McCance-Katz","year":"2010","journal-title":"The American journal on addictions \/ American Academy of Psychiatrists in Alcoholism and Addictions","ISSN":"https:\/\/id.crossref.org\/issn\/1055-0496","issn-type":"print"}],"container-title":["Journal of Analytical Toxicology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/jat\/article-pdf\/36\/4\/239\/2412384\/bks020.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,1,13]],"date-time":"2022-01-13T00:51:40Z","timestamp":1642035100000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/jat\/article-lookup\/doi\/10.1093\/jat\/bks020"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,4,16]]},"references-count":31,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2012,4,16]]},"published-print":{"date-parts":[[2012,5,1]]}},"URL":"https:\/\/doi.org\/10.1093\/jat\/bks020","relation":{},"ISSN":["0146-4760","1945-2403"],"issn-type":[{"value":"0146-4760","type":"print"},{"value":"1945-2403","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,4,16]]}}}