AUDIOANALGESIA IN LABOR AND DELIVERY.
D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D001297:Audioanalgesia; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009774:Obstetrics; D011247:Pregnancy
ANESTHESIA, OBSTETRICAL; DELIVERY; LABOR; PREGNANCY