title: Field observations of a heroin addict: a case study.
mesh_terms: D000203:Activities of Daily Living; D000328:Adult; D001519:Behavior; D003417:Criminal Psychology; D004327:Drinking Behavior; D006556:Heroin Dependence / Q000628:therapy; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008691:Methadone / Q000627:therapeutic use; D012008:Recurrence; D012047:Rehabilitation Centers; D012075:Remission, Spontaneous; D012890:Sleep; D012919:Social Behavior; D012931:Social Environment
chemical_list: D008691:Methadone