Noor Faleh J, AL-Fayyadh S. Preoperative Incentive Spirometer to Prevent Postoperative Pulmonary Complications following Open Heart Surgeries: A Randomized Single Blinded Multi-Centric Clinical Trial. J. Contemp. Med. Sci. [Internet]. 2022 Aug. 26 [cited 2024 Apr. 26];8(4). Available from: https://jocms.org/index.php/jcms/article/view/1261