“prevalance of Helicobacterpylori infection based on gastric biobsy and stool antigen test in adult patients with dyspepsia”., Tuj-hlth, vol. 41, no. 6, Dec. 2019, Accessed: May 09, 2026. [Online]. Available: https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/9343