Tegnoor MS, George JW, George W, Joshi R. Comparative study between diagnostic nasal endoscopy and computed tomography of PNS in sino nasal diseases. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2017 Sep. 22 [cited 2025 Nov. 16];3(4):972-8. Available from: https://www.ijorl.com/index.php/ijorl/article/view/366