Daud Ghilzai, Abdul Matin Qaisar, Ali Hyder Mugheri, Muhammad Irfan Rashed, Shahid Muneer, Abrar Shaikh. Determine the Frequency of Different Causes CF Upper Gastrointestinal Bleed. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Oct. 27 [cited 2024 Nov. 21];16(09):328. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/2756