The recognition of drugs of abuse.
D000293:Adolescent; D000328:Adult; D000470:Alkaloids / Q000032:analysis*; D000700:Analgesics / Q000032:analysis*; D001463:Barbiturates / Q000032:analysis; D001826:Body Fluids / Q000032:analysis*; D002188:Cannabis / Q000032:analysis*; D002845:Chromatography; D003124:Colorimetry; D005260:Female; D006213:Hallucinogens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009294:Narcotics / Q000032:analysis; D011605:Psychoses, Substance-Induced / Q000175:diagnosis; D019966:Substance-Related Disorders / Q000175:diagnosis*
D000470:Alkaloids; D000700:Analgesics; D001463:Barbiturates; D006213:Hallucinogens; D009294:Narcotics