, Ismail A. Abdul-hassan, Sanaa J. Kadhim ,. 2018. “Effect of Some Vitamin D Receptor Gene Variants on the Frequency of Sister Chromatid Exchange in Iraqi Women With Polycystic Ovary Syndrome”. Iraqi Journal of Biotechnology 17 (1). https://jige.uobaghdad.edu.iq/index.php/IJB/article/view/38.