Kaul, Somika, and Shahida Mir. “A Study on Correlation of Placenta Praevia With Previous Caesarean Section and Other Risk Factors”. International Journal of Research in Medical Sciences 7, no. 6 (May 29, 2019): 2027–2033. Accessed April 16, 2026. https://www.msjonline.org/index.php/ijrms/article/view/6412.