title: Rehabilitation of drug abusers--a continuing enigma.
mesh_terms: D000328:Adult; D003156:Community Mental Health Services; D004651:Employment; D006556:Heroin Dependence / Q000188:drug therapy; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D012050:Rehabilitation, Vocational; D019966:Substance-Related Disorders / Q000534:rehabilitation*; D013781:Texas; D014830:Vocational Guidance
chemical_list: D008691:Methadone