Numorphan in labor. A preliminary report.
D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D004091:Hydromorphone / Q000031:analogs & derivatives; D007743:Labor, Obstetric; D009774:Obstetrics; D010111:Oxymorphone; D011247:Pregnancy
D010111:Oxymorphone; D004091:Hydromorphone
ANESTHESIA, OBSTETRICAL; DIHYDROMORPHINONE/related compounds