title: The effects of epidural morphine and epidural butorphanol on maternal outcomes after cesarean delivery.
mesh_terms: D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical; D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000009:adverse effects; D002077:Butorphanol / Q000008:administration & dosage* / Q000009:adverse effects; D002585:Cesarean Section; D005260:Female; D006801:Humans; D009020:Morphine / Q000008:administration & dosage* / Q000009:adverse effects; D010147:Pain Measurement; D010149:Postoperative Pain / Q000517:prevention & control; D017060:Patient Satisfaction; D011247:Pregnancy; D011537:Pruritus / Q000139:chemically induced; D016896:Treatment Outcome
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine; D002077:Butorphanol