The role of external cephalic version in modern obstetrics.
D001946:Breech Presentation; D036861:Delivery, Obstetric / Q000379:methods*; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007746:Labor Presentation; D008428:Maternal Mortality; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D013997:Time Factors