Sahar, W., Elengoe, A., Batool, S. A., Bashir, A., Shan, A., & Jalal, A. (2024). The Role of Preoperative Breathing Exercises in Reducing Postoperative Respiratory Complications in Coronary Artery Bypass Grafting: A Comparative Review of On-Pump and Off-Pump Techniques. Pakistan Heart Journal, 57(3), 179–187. https://doi.org/10.47144/phj.v57i3.2792