[Echographic criteria of placental development].
Sidorova
I S
IS
Baranov
A N
AN
Volkova
O i
Oi
D005260:Female; D006801:Humans; D010920:Placenta / Q000033:anatomy & histology*; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D011296:Prenatal Diagnosis; D014463:Ultrasonography
Ekhograficheskie kriterii razvitiia platsenty.