Nisentil in obstetrics; clinical trials with a new analgesic.
D000522:Alphaprodine; D000698:Analgesia; D000700:Analgesics; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009774:Obstetrics; D059408:Pain Management; D010880:Piperidines / Q000031:analogs & derivatives; D011247:Pregnancy
D000700:Analgesics; D010880:Piperidines; D000522:Alphaprodine
LABOR/anesthesia and analgesia; PIPERIDINES/derivatives