[Study of the causes of stillbirths of piglets].
D000818:Animals; D005260:Female; D005313:Fetal Death / Q000209:etiology / Q000662:veterinary*; D011247:Pregnancy; D013552:Swine; D013553:Swine Diseases / Q000209:etiology*
Izuchenie prichin mertvorozhdaemosti porosiat.