title: Methadone maintenance treatment for 25,000 heroin addicts.
mesh_terms: D002170:Canada; D003415:Crime; D004335:Drug and Narcotic Control; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009934:Organization and Administration / Q000592:standards; D012940:Social Problems; D013375:Substance Withdrawal Syndrome; D019966:Substance-Related Disorders / Q000188:drug therapy* / Q000534:rehabilitation; D013997:Time Factors; D014481:United States
chemical_list: D003932:Heroin; D008691:Methadone