Avramenko, A., et al. “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, vol. 87, Jan. 2026, p. 69001, doi:10.12775/JEHS.2026.87.69001.