YÜCEYAR, Hakan, Murat SARUÇ, Ali KOKULUDAĞ, Ender TERZİOĞLU, Gamze GÖKSEL, and Aydın İŞİSAĞ. 2000. “Systemic Cellular Immune Response in Helicobacter Pylori Associated Duodenal Ulcer and Chronic Antral Gastritis”. Turkish Journal of Gastroenterology 11 (3):208-11. https://www.turkjgastroenterol.org/index.php/tjg/article/view/1075.