Sengodan, Subha S., and Sankari Mathiyalagan. “Doppler Study (cerebroplacental Ratio) As a Predictor of Adverse Perinatal Outcome”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, no. 12 (November 26, 2020): 5068–5074. Accessed October 13, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/9288.