title: Heroin and the federal strategy: a policy in search of evidence.
mesh_terms: D000328:Adult; D003415:Crime; D003416:Criminal Law; D004335:Drug and Narcotic Control; D006556:Heroin Dependence / Q000191:economics / Q000517:prevention & control* / Q000534:rehabilitation; D006801:Humans; D008691:Methadone; D011640:Public Policy; D014481:United States
chemical_list: D008691:Methadone