title: Control of drug abuse in a psychiatric hospital by random urine analyses.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000661:Amphetamine; D001463:Barbiturates; D005260:Female; D006778:Hospitals, Psychiatric; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D004364:Pharmaceutical Preparations / Q000652:urine; D019966:Substance-Related Disorders
chemical_list: D001463:Barbiturates; D004364:Pharmaceutical Preparations; D000661:Amphetamine