Narang, Shinjini, Anjoo Agarwal, Vinita Das, Amita Pandey, Smriti Agrawal, and Wahid Ali. “Prediction of Pre-Eclampsia at 11-14 Weeks of Pregnancy Using Mean Arterial Pressure, Uterine Artery Doppler and Pregnancy-Associated Plasma Protein-A”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 5, no. 11 (December 14, 2016): 3948–3953. Accessed November 11, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/368.