[Breech presentation: delivery technic and perinatal mortality, 1969--1976].
D001946:Breech Presentation; D036861:Delivery, Obstetric / Q000379:methods*; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007746:Labor Presentation; D009426:Netherlands; D011247:Pregnancy; D012306:Risk
Presentatie in stuitligging: wijze van verlossing en perinatale sterfte, 1969--1976.