Vaginal delivery with saddle-block anesthesia. A survey of five hundred, sixty-nine patients.
D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy
ANESTHESIA, OBSTETRICAL