Use of premixed pethidine and antagonists in obstetrical analgesia; with special reference to cases in which levallorphan was used.
D000698:Analgesia; D016362:Analgesia, Obstetrical; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000773:Anesthesia, Obstetrical; D000776:Anesthesiology; D007977:Levallorphan; D008614:Meperidine; D009020:Morphine / Q000037:antagonists & inhibitors*; D059408:Pain Management
D007977:Levallorphan; D009020:Morphine; D008614:Meperidine
ANESTHESIA, OBSTETRICAL; MEPERIDINE/anesthesia and analgesia; MORPHINE/antagonists