Khan, Sadia, et al. “Comparison of European System for Cardiac Operative Risk Evaluation (EuroSCORE) II With the Postoperative Outcomes in Patients Undergoing Cardiac Surgery”. Journal of Fatima Jinnah Medical University, vol. 12, no. 4, Jan. 2019, https://jfjmu.com/index.php/ojs/article/view/578.