title: Narcotics addiction 1972--an overview.
mesh_terms: D000293:Adolescent; D002648:Child; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009021:Morphine Dependence / Q000517:prevention & control; D009294:Narcotics; D019966:Substance-Related Disorders / Q000517:prevention & control / Q000628:therapy; D014481:United States
chemical_list: D009294:Narcotics; D003932:Heroin; D008691:Methadone