Rajat, Goel, PK Mandal, S Sengupta, and SP Bera. “Isolated Chondrosarcoma of Frontal Sinus”. Bangladesh Journal of Otorhinolaryngology 18, no. 1 (April 21, 2012): 81–83. Accessed April 19, 2024. https://www.banglajol.info/index.php/BJO/article/view/10425.