Laboratory experience in drug abuse control.
D000661:Amphetamine / Q000652:urine*; D001463:Barbiturates / Q000652:urine*; D002855:Chromatography, Thin Layer; D006801:Humans; D009020:Morphine / Q000652:urine*; D019966:Substance-Related Disorders / Q000517:prevention & control*
D001463:Barbiturates; D009020:Morphine; D000661:Amphetamine