Shukhtina, I., V. Shukhtin, A. Gozhenko, A. Avramenko, and N. Badiuk. “Helicobacter Pylori and Its Effect on the Body. Worldwide Prevalence of Helicobacter Pylori”. Journal of Education, Health and Sport 6, no. 6 (June 29, 2016): 734–740. Accessed February 7, 2026. https://apcz.umk.pl/JEHS/article/view/56578.