title: Reliability of identification techniques for drugs of abuse in a urine screening program and drug excretion data.
mesh_terms: D000661:Amphetamine / Q000652:urine*; D000700:Analgesics / Q000652:urine*; D001463:Barbiturates / Q000652:urine*; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D006801:Humans; D006863:Hydrogen-Ion Concentration; D019966:Substance-Related Disorders
chemical_list: D000700:Analgesics; D001463:Barbiturates; D004338:Drug Combinations; D000661:Amphetamine