Weerasooriya, K. M. W. R.; Bandara, N. S.; Jayalanka, R. G. C.; Bamunuge, S. A.; Meegoda, M. K. D. L.; Jayamaha, A. R.
(Faculty of Allied Health Sciences, University of Ruhuna, Galle, Sri Lanka, 2019-12-05)
Background: Chronic Obstructive Pulmonary Disease (COPD) is a progressive chronic lung
disease characterized by air flow limitation and destruction of lung parenchyma which is not
fully reversible. Estimated global ...