Qadir, Adnan, Irfan Younus, Prem Kumar, Shabana Lakho, Chaman Das, and Muneer Sadiq. “Endoscopic Evaluation Among Patients Presenting With Upper Gastrointestinal Tract Bleeding”. Annals of Punjab Medical College 17, no. 2 (September 16, 2023): 223-227. Accessed June 1, 2025. https://www.apmcfmu.com/index.php/apmc/article/view/1385.