Daoud, Ali Kamel. “The Role of Immunohistochemical Markers in Detecting Helicobacter Pylori”. Tishreen University Journal -Medical Sciences Series 42, no. 1 (March 5, 2020). Accessed May 5, 2024. https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/9492.