Drug dependence.
D000428:Alcohol Drinking; D000661:Amphetamine; D002188:Cannabis; D011307:Drug Prescriptions; D004335:Drug and Narcotic Control; D006213:Hallucinogens; D006266:Health Education; D006801:Humans; D010820:Physicians; D012380:Role; D019966:Substance-Related Disorders; D014481:United States
D006213:Hallucinogens; D000661:Amphetamine