يونس د. ., لؤي حسن, and لينا رمضان. “The Relationship Between Placental Location and Pregnancy Outcome”. Tishreen University Journal -Medical Sciences Series, vol. 44, no. 3, July 2022, pp. 579-94, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/12548.