Stability of certain drugs of abuse in urine specimens.
D000661:Amphetamine / Q000652:urine; D001386:Azides; D003042:Cocaine / Q000652:urine; D003061:Codeine / Q000652:urine; D004355:Drug Stability; D006801:Humans; D008691:Methadone / Q000652:urine; D009020:Morphine / Q000652:urine; D004364:Pharmaceutical Preparations / Q000652:urine*; D010634:Phenobarbital / Q000652:urine; D012631:Secobarbital / Q000652:urine; D019966:Substance-Related Disorders; D013696:Temperature
D001386:Azides; D004364:Pharmaceutical Preparations; D012631:Secobarbital; D009020:Morphine; D000661:Amphetamine; D003042:Cocaine; D008691:Methadone; D003061:Codeine; D010634:Phenobarbital