title: Physical symptom complaints of patients on methadone maintenance.
mesh_terms: D003248:Constipation / Q000175:diagnosis; D004305:Dose-Response Relationship, Drug; D005260:Female; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008691:Methadone / Q000009:adverse effects* / Q000627:therapeutic use; D012107:Research Design; D012735:Sexual Dysfunction, Physiological; D013375:Substance Withdrawal Syndrome / Q000175:diagnosis*; D011795:Surveys and Questionnaires; D013546:Sweating / Q000187:drug effects
chemical_list: D008691:Methadone