Ahmed , Halgurd Fathulla. “Causes of Upper Gastrointestinal Bleeding in Patients Admitted to Erbil Hospitals”. AMJ (Advanced Medical Journal) 8, no. 2 (December 5, 2023): 16-22. Accessed December 22, 2024. https://amj.khcms.edu.krd/index.php/main/article/view/298.