Shrestha, U., A. Singh, and B. Pokhrel. “Cross – Sectional Study of Respiratory Pathogens and Their Antibiotic Susceptibility Pattern in Tribhuvan University Teaching Hospital”. Journal of Institute of Medicine Nepal, vol. 28, no. 2, Oct. 2007, pp. 5-9, https://www.nepjol.info/index.php/JIOM/article/view/590.