The combined intra-venous use of pethidine, phenergan and lorfan for analgesia in obstetrics: a study of 1350 cases.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000773:Anesthesia, Obstetrical; D007977:Levallorphan; D008614:Meperidine; D009020:Morphine / Q000037:antagonists & inhibitors*; D009774:Obstetrics; D059408:Pain Management; D011398:Promethazine / Q000628:therapy*
D007977:Levallorphan; D009020:Morphine; D008614:Meperidine; D011398:Promethazine
ANESTHESIA, OBSTETRICAL; MEPERIDINE/anesthesia and analgesia; MORPHINE/antagonists; PROMETHAZINE/therapy