Development of perinatology: the prospects and prerequisites.
D000047:Academies and Institutes; D002662:Child Health Services; D004503:Education, Medical, Graduate; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008427:Maternal Health Services; D009774:Obstetrics / Q000193:education; D010372:Pediatrics / Q000193:education; D011247:Pregnancy; D012106:Research; D013222:State Medicine; D014586:USSR