Adhikari, P, BK Sinha, NR Pokharel, B Kharel, R Aryal, and J Ma. 2008. “Prevalence of Chronic Suppurative Otitis Media in School Children of Kathmandu District”. Journal of Institute of Medicine Nepal 29 (3):10-12. https://nepjol.info./index.php/JIOM/article/view/1161.