Esin, S., B. Yırcı, S. Yalvaç, and Ömer Kandemir. “Prenatal Diagnosis of Iniencephaly: Clues and Pitfalls”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 18, no. 3, Dec. 2012, pp. 148-50, https://gorm.com.tr/index.php/GORM/article/view/266.