Türkçapar, A. F., B. Seçkin, and A. S. Oruç. “Cord Entanglement in Monoamniotic Twin Pregnancy: A Case Report and Review of the Literature”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 19, no. 2, Aug. 2013, pp. 109-11, https://www.gorm.com.tr/index.php/GORM/article/view/198.