title: Treatment effectiveness: medical staff and services provided to 2,394 patients at methadone programs in three states.
mesh_terms: D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009722:Nurse Practitioners; D009726:Nurses; D010595:Pharmacists; D010823:Physician Assistants; D010820:Physicians
chemical_list: D008691:Methadone