C. V., Sumana, and Suhel Hasan. “Gradinego’s Syndrome: Atypical Presentation”. International Journal of Otorhinolaryngology and Head and Neck Surgery 4, no. 2 (February 23, 2018): 604–607. Accessed November 16, 2025. https://www.ijorl.com/index.php/ijorl/article/view/815.