title: Shall we allow heroin maintenance?
mesh_terms: D003932:Heroin / Q000627:therapeutic use*; D006556:Heroin Dependence / Q000534:rehabilitation; D006801:Humans; D007880:Legislation, Drug; D008691:Methadone / Q000627:therapeutic use; D019966:Substance-Related Disorders / Q000534:rehabilitation*; D006113:United Kingdom; D014481:United States
chemical_list: D003932:Heroin; D008691:Methadone