1. Efficacy of incentive spirometer in increasing maximum inspiratory volume in an out-patient setting;Toor;Cureus,2021
2. Incentive spirometry: 2011;Restrepo;Respir Care,2011
3. Comparison of diaphragmatic breathing exercise, volume and flow incentive spirometry, on diaphragm excursion and pulmonary function in patients undergoing laparoscopic surgery: a randomized controlled trial;Alaparthi;Minim Invasive Surg,2016
4. Comparison of flow and volume incentive spirometry on pulmonary function and exercise tolerance in open abdominal surgery: a randomized clinical trial;Kumar;J Clin Diagn Res,2016
5. Correlation between the levels of SpO2and PaO2;Madan;Lung India,2017