Al-Tu’ma, F. J., N. H. Ferhan, and W. G. Al-Safi. “Polymorphism of Tumor Necrosis Factor-Alpha 308 G/A Gene in Iraqi Patients With Polycystic Ovarian Syndrome”. Iraq Medical Journal, vol. 1, no. 2, June 2017, pp. 48-52, https://iraqmedj.org/index.php/imj/article/view/207.