(1)
Fahim, M. .; Sohail, M. .; Sajjad Khan, M.; Khan, F. U. .; Ur Rashid, S. .; Akhter, S. . Frequency of Bleeding Duodenal Ulcer in Patients Presenting With Upper Gastrointestinal Bleeding: Frequency of Duodenal Ulcer in Patients With Gastrointestinal Bleeding. PJHS-Lahore 2022, 3, 88-92.