ÖZDEN, A., BOZDAYI, G., ÖZKAN, M., & KÖSE, S. (2004). *Changes in the seroepidemiological pattern of Helicobacter pylori infection over the last 10 years in Turkey. Turkish Journal of Gastroenterology, 15(3), 156–158. Retrieved from https://turkjgastroenterol.org/index.php/tjg/article/view/1371