Chrisanthus, Jaya, and Shibu George. “Mastoidectomy: Retrospective Analysis of 137 Cases in a Tertiary Care Hospital”. International Journal of Otorhinolaryngology and Head and Neck Surgery 4, no. 1 (December 22, 2017): 93–99. Accessed May 25, 2025. https://www.ijorl.com/index.php/ijorl/article/view/598.