Sivarajan, Reegina, Mohammad Fuaz Mahfuz, and Siti Hajar Sanudin. “Retropharyngeal Abscess Causing grisel’s Syndrome Secondary to Tuberculosis of Cervical Spine, a Rare Form of Torticollis: Case Report”. International Journal of Otorhinolaryngology and Head and Neck Surgery 7, no. 5 (April 23, 2021): 871–874. Accessed October 6, 2025. https://www.ijorl.com/index.php/ijorl/article/view/2810.