AVRAMENKO, A., MAGDENKO, A., DUBINETS, T., VASYUK, V. and MAKAROVA, G. Pathogenesis of the formation of erosive and ulcerative lesions of the duodenal bulb mucosa in smoking patients with chronic non-atrophic gastritis in the absence of active forms of hp infection. Journal of Education, Health and Sport. Online. 27 January 2026. Vol. 87, p. 69001. [Accessed 18 February 2026]. DOI 10.12775/JEHS.2026.87.69001.