Pethidine and levallorphan premedication in cesarean section.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D002585:Cesarean Section; D005260:Female; D006801:Humans; D007977:Levallorphan; D008614:Meperidine; D009020:Morphine / Q000037:antagonists & inhibitors*; D059408:Pain Management; D011247:Pregnancy; D011300:Preoperative Care
D007977:Levallorphan; D009020:Morphine; D008614:Meperidine
CESAREAN SECTION/anesthesia and analgesia; MEPERIDINE/anesthesia and analgesia; MORPHINE/antagonists; PREOPERATIVE CARE