Shrestha, A., J. Sherchand, P. Sharma, and D. Bhatta. “Bacteriological Study of Upper Respiratory Tract Infection in Pediatric Patients”. Journal of Institute of Medicine Nepal, vol. 28, no. 3, Oct. 2007, pp. 28-31, https://www.nepjol.info/index.php/JIOM/article/view/625.