Ahmed, M.N.U., Begum, S., Sultana, S. and Ali, T. 2014. Effects of Pulmonary Rehabilitation on Lung Functions in Patients with COPD. Journal of Bangladesh Society of Physiologist. 8, 2 (Apr. 2014), 70–76. DOI:https://doi.org/10.3329/jbsp.v8i2.18657.