Aydın, E., A. T. Beksaç, E. Karaağaoğlu, and M. S. Beksaç. “Amniotic Fluid β2- Microglobulin Measurements”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 21, no. 1, Apr. 2015, pp. 1-3, https://gorm.com.tr/index.php/GORM/article/view/35.