1.
Maham Abdaal, Numan Ghafoor, Isma Akram, Muhammad Usman, Saqib Hussain, Mehdi Naqvi. Endoscopic Determination of Various Causes of Upper Gastrointestinal Bleeding. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Jan. 17 [cited 2024 Nov. 13];16(12):183. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3562