Medical maintenance feasibility study.
D000328:Adult; D003258:Consumer Behavior; D004305:Dose-Response Relationship, Drug; D005260:Female; D006556:Heroin Dependence / Q000523:psychology / Q000534:rehabilitation*; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D011369:Professional-Patient Relations; D012050:Rehabilitation, Vocational / Q000523:psychology; D012649:Self Concept
D008691:Methadone