Belachew Johanna, Eurenius Karin, Mulic-Lutvica Ajlana, and Axelsson Ove. “Placental Location, Postpartum Hemorrhage and Retained Placenta in Women With a Previous Cesarean Section Delivery: A Prospective Cohort Study”. Upsala Journal of Medical Sciences 122, no. 3 (August 22, 2017): 185–189. Accessed April 29, 2024. https://ujms.net/index.php/ujms/article/view/6236.