Belure Gowda, P. R., & Vinay Kumar, M. V. (2018). A comparative study of diagnostic nasal endoscopy and computerized tomography of paranasal sinus in diagnosing sino nasal disease. International Journal of Otorhinolaryngology and Head and Neck Surgery, 5(1), 140–144. https://doi.org/10.18203/issn.2454-5929.ijohns20185302