[Analysis of breech deliveries occurring in two 5-year periods (1950--1954 and 1970--1974)].
D001034:Apgar Score; D001946:Breech Presentation; D002585:Cesarean Section / Q000401:mortality; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D010298:Parity; D011247:Pregnancy
Analiza porodów miednicowych odbytych w dwóch okresach piecioletnich (lata 1950--1954 i 1970--1974).