title: The effect of prison life on gradual withdrawal of methadone maintenance.
mesh_terms: D000328:Adult; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage*; D011329:Prisoners; D012931:Social Environment
chemical_list: D008691:Methadone