Relationships among medical and nonmedical uses of pharmacologically active agents.
D000293:Adolescent; D000328:Adult; D000435:Alcoholic Intoxication / Q000453:epidemiology; D000661:Amphetamine; D001241:Aspirin; D001463:Barbiturates; D002188:Cannabis; D006801:Humans; D012651:Self Medication; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States
D001463:Barbiturates; D000661:Amphetamine; D001241:Aspirin