Ratti J, Yadav V, Bhagat S, Sharma DK. A rare case report of sinonasal undifferentiated carcinoma of paranasal sinuses. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2020 Dec. 24 [cited 2026 Mar. 17];7(1):177-9. Available from: https://www.ijorl.com/index.php/ijorl/article/view/2648