[Basic causes of stillbirth in Varna District in 1976-1980].
D001344:Autopsy; D002031:Bulgaria; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000473:pathology; D005260:Female; D005313:Fetal Death / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy
Prouchvane na osnovnite prichini za mŭrtvorazhdaniiata vŭv Varnenski okrŭg prez 1976-1980 g.