Yadav, O. P., Pun, M., Mahotra, N. B. and S.J.B. Rana, B. (2022) “Spirometric Evaluation of Effect of Air Pollution on Pulmonary Functions of Traffic Police in Kathmandu Valley”, Janaki Medical College Journal of Medical Science, 10(2), pp. 4–10. doi: 10.3126/jmcjms.v10i2.47849.