Sudarshan Chaugale, Varun Naik, & Aishwarya Gaonkar. (2025). Effect of Oscillatory Positive Expiratory Pressure in Sputum Retention, Pulmonary Function, and Thoracic Expansion in Open Abdominal Surgery -A Randomized Controlled Trial. International Journal of Physiotherapy, 12(1), 98–103. https://doi.org/10.15621/ijphy/2025/v12i1/1679