title: Heroin addiction--an epidemic disease.
mesh_terms: D003932:Heroin; D006556:Heroin Dependence / Q000188:drug therapy / Q000453:epidemiology; D006801:Humans; D007603:Jurisprudence; D008691:Methadone / Q000627:therapeutic use; D009519:New York City; D019966:Substance-Related Disorders
chemical_list: D003932:Heroin; D008691:Methadone