[Ultrastructural characteristics of placental villi in prolonged pregnancy].
D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D010920:Placenta / Q000473:pathology*; D011247:Pregnancy; D011273:Pregnancy, Prolonged
Ul'trastrukturnye osobennosti vorsin platsenty pri perenoshennoĭ beremennosti.