title: A comparative analgesia study of propoxyphene hydrochloride, propoxyphene napsylate, and placebo.
mesh_terms: D000698:Analgesia; D002712:Chlorides / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D011431:Dextropropoxyphene / Q000627:therapeutic use*; D005260:Female; D050723:Fractures, Bone / Q000150:complications; D006801:Humans; D008297:Male; D009281:Naphthalenes / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy*; D010919:Placebos; D011183:Postoperative Complications; D012492:Salts / Q000627:therapeutic use*; D013451:Sulfonic Acids / Q000627:therapeutic use
chemical_list: D002712:Chlorides; D009281:Naphthalenes; D010919:Placebos; D012492:Salts; D013451:Sulfonic Acids; D011431:Dextropropoxyphene