Al-Kubaisi, Saad R I. “Anterior-Posterior Thigh Diameter Measured by Two-Dimensional Sonography : Indicator of Fetal Age at 18 to 28 Weeks Gestation ?”. Sultan Qaboos University Medical Journal [SQUMJ] 6, no. 2 (December 1, 2006): 47–58. Accessed March 5, 2021. https://journals.squ.edu.om/index.php/squmj/article/view/1264.