Nesreen Fathy Ahmed Eisa; Moustafa Mahmoud Abdel Kawi; Mohamed Samir Sweed, Eman AbdElSalam NasrElDin. “Umbilical Artery Doppler Indices Difference and Umbilical Cord Length: An Observational Study”. Journal of Population Therapeutics and Clinical Pharmacology 29, no. 04 (December 20, 2022): 635–648. Accessed September 24, 2025. https://www.jptcp.com/index.php/jptcp/article/view/5210.