[Principles in classification of the main causes of perinatal mortality].
D000013:Congenital Abnormalities; D005260:Female; D005313:Fetal Death / Q000145:classification / Q000209:etiology*; D006801:Humans; D007226:Infant Mortality / Q000145:classification; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000145:classification; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D014586:USSR
O printisipakh klassifikatsii osnovykh prichin perinatal'noĭ smertnosti.