Ruthrapriya Muventhran, Sivakumar Chinnusamy, Pradeepa Mani. Effectiveness Of Incentive Spirometer Versus Lung Flute Machine Along with Chest Physiotherapy on Mucus Clearance And Fvc & Fev1 Among Subjects With Hospital Acquired Pneumonia - A Comparative. ijppr [Internet]. 1 [cited 2024Nov.7];15(4):29-1. Available from: https://ijppronline.com/index.php/IJPPR/article/view/516