Abdul Aziz, Siti Sarah Jasmin. “A Rare Case of Klippel-Feil Syndrome With Cholesteatoma, Thrice Operated With Final Outcome of Cochlear Implant”. IIUM Medical Journal Malaysia 21, no. 3 (July 1, 2022). Accessed August 23, 2025. https://journals.iium.edu.my/kom-o/index.php/imjm/article/view/1800.