Doğan Gün, B., F. Barut, A. Tanrıverdi, Şükrü O. Özdamar, and A. Barut. “Placental Chorangiosis: An Important Pattern of Placental Injury”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 12, no. 3, Dec. 2006, pp. 176-9, https://www.gorm.com.tr/index.php/GORM/article/view/598.