Shrestha, I.; Shrestha, B. L.; Pokharel, M.; Amatya, R. C. M.; Karki, D. R. Prevalance of Noise Induced Hearing Loss Among Traffic Police Personnel of Kathmandu Metropolitan City. Kathmandu Univ. Med. J. 2012, 9 (4), 274-278. https://doi.org/10.3126/kumj.v9i4.6343.