Rameshkumar, E., and S. Ajitha. “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, vol. 4, no. 4, June 2018, pp. 1057-60, doi:10.18203/issn.2454-5929.ijohns20182713.