The decline of heroin addiction in the District of Columbia.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003415:Crime; D004219:District of Columbia; D004335:Drug and Narcotic Control; D003932:Heroin / Q000600:supply & distribution; D006556:Heroin Dependence / Q000188:drug therapy / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D008691:Methadone / Q000627:therapeutic use
D003932:Heroin; D008691:Methadone