Determination of Fetal gestational age in singleton pregnancies: Accuracy of ultrasonographic placenta thickness and volume at a Nigerian tertiary Hospital. AJBR [Интернет]. 30 май 2022 г. [цитируется по 5 апрель 2026 г.];25(2):113-9. доступно на: https://ojshostng.com/index.php/ajbr/article/view/1758