[Participation of the hyaline membranes on perinatal mortality].
D003604:Czechoslovakia; D005260:Female; D006801:Humans; D006819:Hyaline Membrane Disease / Q000453:epidemiology / Q000401:mortality*; D007231:Infant, Newborn; D011247:Pregnancy
Podiel hyalinných membrán na perinatálnej mortalite