[Biometric analysis of the structure of the placental barrier in early human ontogenesis].
D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange / Q000502:physiology*; D010920:Placenta / Q000033:anatomy & histology*; D011247:Pregnancy
Biometricheskiĭ analiz struktur platsentarnogo bar'era v rannem ontogeneze cheloveka.