Assi, Saeed H., and Ryaidh Sh. Al_Husain. 2014. “Study of Protective Effect of Glutathione Peroxidase (GSH-Px), Vitamin E and Selenium on Iraqi Children With Leukemia”. Journal of Biotechnology Research Center 8 (4):15-21. https://doi.org/10.24126/jobrc.2014.8.4.371.