STUDY ON CERTAIN RELATIONSHIPS BETWEEN CLINICAL FEATURES, ENDOSCOPIC IMAGING, AND ANEMIA SEVERITY IN CHILDREN WITH PEPTIC ULCER DISEASE AT HUE UNIVERSITY OF MEDICINE AND PHARMACY HOSPITAL. YHCĐ [Internet]. 2026 Sept. 25 [cited 2026 Oct. 19];67(CD15). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6704