Shrestha, A. and Bajracharya, S. (2014) “Spirometry Findings in Patients with Chronic Obstructive Pulmonary Disease”, Journal of Patan Academy of Health Sciences, 1(1), pp. 33–35. Available at: https://jpahs.edu.np/index.php/jpahs/article/view/29 (Accessed: 9 January 2025).