Effect of delivery on very low-birth weight breech infants.
D001946:Breech Presentation; D036861:Delivery, Obstetric / Q000379:methods*; D005260:Female; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007746:Labor Presentation; D011247:Pregnancy; D013997:Time Factors