“Analytic study of endoscopic findings in patients with upper gastrointestinal bleeding at Tishreen University Hospital in 2022 - 2023”, Tuj-hlth, vol. 45, no. 5, pp. 483–500, Dec. 2023, Accessed: Aug. 21, 2026. Available: https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/14805