title: Epidural and intrathecal opiates for postoperative pain relief.
mesh_terms: D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D002585:Cesarean Section; D005260:Female; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use*; D010149:Postoperative Pain / Q000517:prevention & control*; D011247:Pregnancy
chemical_list: D009294:Narcotics