Othman WN, AbdElhamed R, Elsaid A. Assess the effectiveness of deep breathing exercise with incentive spirometry on respiratory status of patients who undergone cardiothoracic surgery. ijnd [Internet]. 2017 Apr. 30 [cited 2026 Oct. 23];7(4):85-91. Available from: http://nursingdidactics.com/index.php/ijnd/article/view/1879