-Rehman, . N.- ur, khan, S. ., Zubair, M. ., Haq, M. ul . and Badshah, U. . (2024) “Causes, Morbidity, and Mortality of Upper Gastrointestinal Bleeding Among Hospitalized Patients”, BMC Journal of Medical Sciences, 5(1), pp. 55–58. doi: 10.70905/bmcj.05.01.0269.