Gauchan, Sudip P., B. Lekhak, and J.B. Sherchand. “The Prevalence of Lower Respiratory Tract Infection in Adults Visiting Tribhuvan University Teaching Hospital”. Journal of Institute of Medicine Nepal 28, no. 2 (August 31, 2006): 10–14. Accessed October 15, 2025. https://jiomnepal.edu.np/index.php/jiomnepal/article/view/236.