The use of promazine and levallorphan to improve obstetric sedation.
D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D007977:Levallorphan; D009020:Morphine / Q000037:antagonists & inhibitors*; D009774:Obstetrics; D011395:Promazine / Q000628:therapy*
D007977:Levallorphan; D009020:Morphine; D011395:Promazine
ANESTHESIA, OBSTETRICAL; MORPHINE/antagonists; PROMAZINE/therapy