Thomas, A.M., Menon, A.G., Pradeep, P. and Vinayakumar, A.R. 2017. A comparative study on the nasal endoscopic findings in patients with chronic otitis media. International Journal of Otorhinolaryngology and Head and Neck Surgery. 4, 1 (Dec. 2017), 222–227. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20175629.