Manappattu, N., N. K. Bashir, and G. Raj. “Aetiological Profile of Non-Traumatic Epistaxis: A Two-Year Retrospective Analysis in a Tertiary Care Hospital”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 5, no. 2, Feb. 2019, pp. 440-4, doi:10.18203/issn.2454-5929.ijohns20190777.