Islam, M.M. et al. 2025. Surgical Complexity and Intraoperative Obstacles in Mastoidectomy: A Retrospective Study at JRRMCH, Sylhet. Journal of Rangpur Medical College. 10, 2 (Nov. 2025), 60–65. DOI:https://doi.org/10.3329/jrpmc.v10i2.85638.