Effects of position and uterine displacement on spinal anesthesia for cesarean section.
D000773:Anesthesia, Obstetrical / Q000379:methods*; D000775:Anesthesia, Spinal / Q000379:methods*; D002585:Cesarean Section; D005260:Female; D006801:Humans; D011187:Posture; D011247:Pregnancy; D014599:Uterus / Q000033:anatomy & histology*