The effect of placental fusion on embryonic mortality in the pig.
D000653:Amniotic Fluid / Q000032:analysis; D000818:Animals; D003338:Corpus Luteum / Q000032:analysis; D005260:Female; D005313:Fetal Death / Q000473:pathology / Q000662:veterinary*; D005865:Gestational Age; D010920:Placenta / Q000002:abnormalities* / Q000473:pathology; D011247:Pregnancy; D013552:Swine; D013553:Swine Diseases / Q000473:pathology; D014427:Twins