title: Some shortcomings of methadone maintenance.
mesh_terms: D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D008691:Methadone / Q000009:adverse effects* / Q000627:therapeutic use*; D010756:Phosphoric Acids / Q000627:therapeutic use
chemical_list: D010756:Phosphoric Acids; D008691:Methadone