Bakay, K., A. Varolan, A. Yazgan, A. Akyol, and İnci Davas. “Comparison of Modified Biophysical Profile With Doppler Ultrasonographic Analysis in Determining Fetal Well Being in the Third Trimester”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 19, no. 2, Aug. 2013, pp. 67-75, https://gorm.com.tr/index.php/GORM/article/view/189.