Rameshkumar, E., & Ajitha, S. (2018). Prevalence of self probing, clinical presentation and the causative organism among the patients presented with otitis externa in a tertiary care hospital. International Journal of Otorhinolaryngology and Head and Neck Surgery, 4(4), 1057–1060. https://doi.org/10.18203/issn.2454-5929.ijohns20182713