Ahmed, Mohammad Nesar Uddin, Shelina Begum, and Taskina Ali. “Effects of Pulmonary Rehabilitation on Exercise Tolerance in Patients With COPD”. Journal of Bangladesh Society of Physiologist 9, no. 2 (March 30, 2015): 65–71. Accessed November 24, 2024. https://banglajol.info/index.php/JBSP/article/view/22799.