Karadağ, B., Y. Taşçı, B. Aykan Yıldırım, A. T. Turan, S. Erkaya, and O. Gelişen. “Obstetric Outcomes in Women With Unrepaired Tetralogy of Fallot: A Case Report”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 17, no. 2, Aug. 2011, pp. 107-9, https://www.gorm.com.tr/index.php/GORM/article/view/302.