{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T02:38:45Z","timestamp":1790908725550,"version":"4.1.0"},"reference-count":9,"publisher":"American Medical Association (AMA)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"DOI":"10.1001\/jamanetworkopen.2019.2851","type":"journal-article","created":{"date-parts":[[2019,4,26]],"date-time":"2019-04-26T15:00:07Z","timestamp":1556290807000},"page":"e192851","source":"Crossref","is-referenced-by-count":102,"title":["Rate of Fentanyl Positivity Among Urine Drug Test Results Positive for Cocaine or Methamphetamine"],"prefix":"10.1001","volume":"2","author":[{"given":"Leah","family":"LaRue","sequence":"first","affiliation":[{"name":"Millennium Health, San Diego, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert K.","family":"Twillman","sequence":"additional","affiliation":[{"name":"University of Kansas School of Medicine, Kansas City"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric","family":"Dawson","sequence":"additional","affiliation":[{"name":"Millennium Health, San Diego, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Penn","family":"Whitley","sequence":"additional","affiliation":[{"name":"Millennium Health, San Diego, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melissa A.","family":"Frasco","sequence":"additional","affiliation":[{"name":"Millennium Health, San Diego, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Angela","family":"Huskey","sequence":"additional","affiliation":[{"name":"Millennium Health, San Diego, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria G.","family":"Guevara","sequence":"additional","affiliation":[{"name":"Millennium Health, San Diego, California"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"10","published-online":{"date-parts":[[2019,4,26]]},"reference":[{"issue":"17","key":"zoi190127r1","doi-asserted-by":"publisher","first-page":"1819","DOI":"10.1001\/jama.2018.2844","article-title":"Changes in synthetic opioid involvement in drug overdose deaths in the United States, 2010-2016.","volume":"319","author":"Jones","year":"2018","journal-title":"JAMA"},{"issue":"5152","key":"zoi190127r4","first-page":"1419","article-title":"Drug and opioid-involved overdose deaths: United States, 2013\u20132017.","volume":"67","year":"2019","journal-title":"MMWR Morb Mort Wkly Rep"},{"issue":"1","key":"zoi190127r7","doi-asserted-by":"publisher","first-page":"e187104","DOI":"10.1001\/jamanetworkopen.2018.7104","article-title":"A perspective regarding the current state of the opioid epidemic.","volume":"2","author":"Trecki","year":"2019","journal-title":"JAMA Netw Open"},{"issue":"1","key":"zoi190127r9","doi-asserted-by":"publisher","first-page":"49","DOI":"10.1007\/s11524-018-00343-z","article-title":"Increased presence of fentanyl in cocaine-involved fatal overdoses: implications for prevention.","volume":"96","author":"Nolan","year":"2019","journal-title":"J Urban Health"},{"key":"zoi190127r3","volume-title":"National Forensic Laboratory Information System: NFLIS-Drug 2017 Annual Report","author":"US Drug Enforcement Administration, Diversion Control Division","year":"2018"},{"key":"zoi190127r2","unstructured":"National Institute on Drug Abuse. Overdose death rates. https:\/\/www.drugabuse.gov\/related-topics\/trends-statistics\/overdose-death-rates. Accessed January 23, 2019."},{"key":"zoi190127r5","unstructured":"US Drug Enforcement Administration. Cocaine laced with fentanyl leads to multiple deaths, overdoses [press release]. https:\/\/www.dea.gov\/press-releases\/2018\/09\/14\/cocaine-laced-fentanyl-leads-multiple-deaths-overdoses. Accessed March 13, 2019"},{"key":"zoi190127r6","unstructured":"US Drug Enforcement Administration. Cocaine\/fentanyl combination in Pennsylvania. https:\/\/www.dea.gov\/sites\/default\/files\/2018-07\/BUL-061-18%20Cocaine%20Fentanyl%20Combination%20in%20Pennsylvania%20--%20UNCLASSIFIED.PDF. Accessed March 13, 2019."},{"key":"zoi190127r8","unstructured":"US Drug Enforcement Administration. 2017 National Drug Threat Assessment summary. https:\/\/www.dea.gov\/documents\/2017\/10\/01\/2017-national-drug-threat-assessment. Accessed March 13, 2019."}],"container-title":["JAMA Network Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/jamanetwork.com\/journals\/jamanetworkopen\/articlepdf\/2731684\/larue_2019_oi_190127.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,10,25]],"date-time":"2019-10-25T11:01:22Z","timestamp":1572001282000},"score":1,"resource":{"primary":{"URL":"https:\/\/jamanetwork.com\/journals\/jamanetworkopen\/fullarticle\/2731684"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,4,26]]},"references-count":9,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2019,4,5]]}},"URL":"https:\/\/doi.org\/10.1001\/jamanetworkopen.2019.2851","relation":{},"ISSN":["2574-3805"],"issn-type":[{"value":"2574-3805","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,4,26]]}}}