Kamal, Sheikh Shawkat. “Transcanal Endoscopic Approach to the Mastoid Segment of Facial Nerve and the Role of the Pyramidal Eminence As a Landmark”. Bangladesh Journal of Otorhinolaryngology 25, no. 2 (January 28, 2020): 108–115. Accessed October 1, 2022. https://www.banglajol.info/index.php/BJO/article/view/45208.