The combined use of alphaprodine (nisentil) hydrochloride and levallorphan (lorfan) tartrate for analgesia in obstetrics.
D000522:Alphaprodine; D000698:Analgesia; D000700:Analgesics / Q000627:therapeutic use*; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D007977:Levallorphan; D009020:Morphine / Q000037:antagonists & inhibitors*; D009774:Obstetrics; D059408:Pain Management; D011247:Pregnancy; D013644:Tartrates
D000700:Analgesics; D013644:Tartrates; D000522:Alphaprodine; D007977:Levallorphan; D009020:Morphine; C029768:tartaric acid
ANALGESICS/therapeutic use; LABOR/anesthesia and analgesia; MORPHINE/antagonists