Abstracts of the Society for Obstetric Anesthesia and Perinatology 35th Annual Meeting. May 14-17, 2003. Phoenix, Arizona, USA.
D000773:Anesthesia, Obstetrical; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D007744:Obstetric Labor Complications; D011247:Pregnancy