Tos, Tülay, Enis Özkaya, Vakkas Korkmaz, Yeşim Özkaya, Ajlan Tukun, Oya Gökmen, and Tuncay Küçüközkan. 2012. “Nuchal Translucency Measurement Did Not Significantly Predict Trisomy Cases in Tertiary Referral Center”. Gynecology Obstetrics &Amp; Reproductive Medicine 18 (3). Ankara, TR:127-30. https://gorm.com.tr/index.php/GORM/article/view/261.