, Ihsan E. Al-Saimary 2Amer Naes Amer 1 ,. 2018. “The Possible Cancer Risk Factor of Helicobacter Pylori Infections in Immunocompromised Children”. Iraqi Journal of Biotechnology 16 (3). https://www.jige.uobaghdad.edu.iq/index.php/IJB/article/view/147.