Gaonkar, Aishwarya, and Varun Chandrakant Naik. “Effectiveness of Vibrapep (OPEP) on Pulmonary Functions in Phase One of Cardiac Rehabilitation-A Randomized Controlled Trial”. Nepalese Heart Journal 21, no. 2 (November 5, 2024): 25–34. Accessed November 21, 2024. https://nepjol.info/index.php/NHJ/article/view/70865.