The drug scene--1971.
D000293:Adolescent; D000661:Amphetamine; D006213:Hallucinogens; D003932:Heroin; D006801:Humans; D008694:Methamphetamine; D009042:Motivation; D019966:Substance-Related Disorders / Q000453:epidemiology; D014481:United States
D006213:Hallucinogens; D008694:Methamphetamine; D003932:Heroin; D000661:Amphetamine