Juwarna W, Munir D. Endoscopic sinus surgery for removal of maxillary sinus fungal ball: a case report. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2022 Jul. 26 [cited 2025 Nov. 16];8(8):677-80. Available from: https://www.ijorl.com/index.php/ijorl/article/view/3601