Gyawali, Bigyan R, et al. “Microbiological Profile and Drug Sensitivity Pattern in Persistently Discharging Ears: A Tertiary Level Hospital Based Retrospective Study”. Journal of Institute of Medicine Nepal, vol. 42, no. 2, Aug. 2020, pp. 64-68, https://www.nepjol.info/index.php/JIOM/article/view/37541.