Badi Salih AL-tmemi, Manal. “Investigating the Immunological Effects of H.Pylori Infection in Peptic Ulcer Patients.”. University of Thi-Qar Journal of Science 2, no. 4 (June 20, 2019): 47-58. Accessed August 15, 2021. https://jsci.utq.edu.iq/index.php/main/article/view/451.