Effects of Chest Physiotherapy and Effective Cough Exercise on Sputum Clearance and Respiratory Frequency in Tuberculosis Patients . J Epidemiol Public Healt [Internet]. 2023 Oct. 16 [cited 2025 Nov. 4];8(4):527-32. Available from: https://jepublichealth.com/index.php/jepublichealth/article/view/639