Pandey, T., Khanal, J., Gautam, R. and Pokhrel, S. 2023. Study of Electrocardiographic Changes and Spirometry Findings in Chronic Obstructive Lung Disease. Journal of Nepalgunj Medical College. 21, 1 (Sep. 2023), 40–44. DOI:https://doi.org/10.3126/jngmc.v21i1.58298.