Quddusi, Huma, and Shafi S. “Frequency of Placenta Previa – Placenta Accreta in Patients With Previous Cesarean Section”. Annals of King Edward Medical University 17, no. 4 (November 9, 2012): 402. Accessed April 19, 2024. https://annalskemu.org/journal/index.php/annals/article/view/573.