Hadi, H. I., Enaya, M. A., Enaya, M. A. and Aljanaby, A. A. J. (2022) “Duodenal ulcer and gastric cancer patients infected with Helicobacter Pylori in AL-Najaf City, Iraq”, International journal of health sciences, 6(S5), pp. 8789–8793. doi: 10.53730/ijhs.v6nS5.11790.