Determination of Fetal gestational age in singleton pregnancies: Accuracy of ultrasonographic placenta thickness and volume at a Nigerian tertiary Hospital. AJBR [Internet]. 30. svibanj 2022. [citirano 21. svibanj 2026.];25(2):113-9. Dostupno na: https://www.ojshostng.com/index.php/ajbr/article/view/1758