title: Collaborative study on preterm breeches: vaginal delivery versus caesarean section.
mesh_terms: D001946:Breech Presentation; D002585:Cesarean Section; D036861:Delivery, Obstetric / Q000379:methods*; D005260:Female; D005313:Fetal Death; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008428:Maternal Mortality; D011247:Pregnancy