Rana, Anshul, Rama Thakur, and Rohini Rao. “A Prospective Observational Study to Determine the Utility of Placental Laterality for Prediction of Preeclampsia in Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, no. 4 (March 25, 2020): 1664–1671. Accessed October 13, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/8122.