Pullarat, A. N., Kottayil, S., Raj, G. and N. K., B. (2018) “A comparative analysis of CT scan versus diagnostic nasal endoscopy in chronic rhino sinusitis”, International Journal of Otorhinolaryngology and Head and Neck Surgery, 4(4), pp. 930–934. doi: 10.18203/issn.2454-5929.ijohns20182401.