[Perinatal mortality as a continuous duty of a specialist control staff].
D005260:Female; D005313:Fetal Death; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011044:Poland; D011247:Pregnancy
Analiza umieralności okołoporodowej zadaniem nadzoru specjalistycznego