title: Control of postoperative pain: comparison of the effects of epidural and narcotic analgesia.
mesh_terms: D000328:Adult; D000368:Aged; D000698:Analgesia / Q000379:methods*; D000701:Analgesics, Opioid / Q000494:pharmacology*; D000767:Anesthesia, Epidural; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000517:prevention & control; D008297:Male; D008875:Middle Aged; D010149:Postoperative Pain / Q000188:drug therapy*; D011183:Postoperative Complications / Q000517:prevention & control
chemical_list: D000701:Analgesics, Opioid