исследовательская статья
The Distance between the Embryo and the Yolk Sac in Correlation to the Serum Level of Placental Growth Factor: How Reliable is it?
Carmen Elena Bucuri, Razvan Ciortea,Valentin Aron Constantin Oprea, Andrei Mihai Malutan, Renata Nicula, Mihaela Daniela Oancea, Maria Patricia Rada, Dan Mihu