title: Sexual performance of men on methadone maintenance.
mesh_terms: D000328:Adult; D000437:Alcoholism / Q000150:complications; D007172:Erectile Dysfunction / Q000139:chemically induced*; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008691:Methadone / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D008691:Methadone