Pakirdinov A.S, Madazimov M.M, Abdukadirov D.A, and Abdukodirov Sh.T. “FEATURES OF GASTRIC AND DUODENAL ULCERS IN ELDERLY PATIENTS”. World Bulletin of Public Health 13 (August 12, 2022): 63-66. Accessed November 14, 2024. https://scholarexpress.net/index.php/wbph/article/view/1244.