Celik, O., S. Hascalik, and A. Bay. “Serum ß2-Microglobulin: Its Significance in The Prediction of Preeclampsia”. Annals of Medical Research, vol. 9, no. 1, May 2021, pp. 0049-52, http://annalsmedres.org/index.php/aomr/article/view/2885.