A. Z. Ahmed Hasan R., A. Suhad Kadum, A. M. Ali Talib M., and B. Ali, “Gastrointestinal bleeding as an extrapulmonary effect of COVID-19 infection”, HOM, vol. 9, no. 1, Feb. 2023, Accessed: Sep. 27, 2024. [Online]. Available: http://13.200.237.241/HOM/index.php/medicine/article/view/760