title: [Results of the study of causes of perinatal morbidity and mortality].
mesh_terms: D005260:Female; D005313:Fetal Death; D005315:Fetal Diseases / Q000209:etiology*; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D011295:Prenatal Care / Q000266:history*; D014586:USSR
vernacular_title: Dostizheniia v izuchenii prichin perinatal'noĭ zabolevaemosti i smertnsoti.