عوامة م, مخلوف س, كرميا زا. A Study of the Relationship between CA 19-9 Level and Infection with H. pylori in Patients with Benign Gastrointestinal Diseases. Tuj-hlth [Internet]. 2021Mar.9 [cited 2025Jul.29];43(1). Available from: https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/10408