title: Clinical studies with naloxone/methadone in a ratio of 1:20.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D001682:Biological Availability; D002986:Clinical Trials as Topic; D004304:Dosage Forms; D004338:Drug Combinations; D004341:Drug Evaluation; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage / Q000097:blood / Q000494:pharmacology / Q000627:therapeutic use*; D009270:Naloxone / Q000008:administration & dosage / Q000097:blood / Q000494:pharmacology / Q000627:therapeutic use*; D011680:Pupil / Q000187:drug effects; D012408:Rubber
chemical_list: D004304:Dosage Forms; D004338:Drug Combinations; D009270:Naloxone; D012408:Rubber; D008691:Methadone