Moqadas Riaz, Rizwan Ali Tunio, Brig (R).Muhammad Ehsan Zafar, Syed Tabish Rehman, Rehan Hassan Khan Niazi, Muhammad Aslam Khan; 10.48047/ijprt/16.02.255. Prospective Cohort Study of Preoperative Pulmonary Function, Functional Capacity, and Risk of Postoperative ICU Admission. IJPRT 2026, 16, 2378-2382.