title: The role of vocational rehabilitation in methadone maintenance: problems establishing criteria for success.
mesh_terms: D003153:Community Health Services; D006233:Persons with Disabilities; D004651:Employment; D006556:Heroin Dependence / Q000188:drug therapy / Q000534:rehabilitation*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009519:New York City; D012050:Rehabilitation, Vocational
chemical_list: D008691:Methadone