prevalance of Helicobacterpylori infection based on gastric biobsy and stool antigen test in adult patients with dyspepsia. (2019). مجلة جامعة اللاذقية - سلسلة العلوم الصحية, 41(6). https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/9343