Khairullah, A., Shahrul, H. and Mutuyanagam, S. B. (2014) “Diffuse Idiopathic Skeletal Hyperostosis: A Rare Cause of Dysphagia”, Philippine Journal of Otolaryngology Head and Neck Surgery, 29(2), pp. 34–36. doi: 10.32412/pjohns.v29i2.429.