title: Persistence of urinary marijuana levels after supervised abstinence.
abstract: The authors present a case report of the presence of urinary cannabinoids during 21 days of supervised abstinence from chronic marijuana use and provide data on 6 similar cases. They discuss the theoretical implications of the persistence of cannabinoids.
mesh_terms: D000328:Adult; D002186:Cannabinoids / Q000652:urine*; D013759:Dronabinol / Q000652:urine; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000534:rehabilitation / Q000652:urine*; D013997:Time Factors
chemical_list: D002186:Cannabinoids; D013759:Dronabinol