Kansal, L., J. L. Davessor, G. Singh, and J. Kaur. “Pleomorphic Adenoma in Para Pharyngeal Space: A Rare Presentation”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 3, no. 2, Mar. 2017, pp. 455-8, doi:10.18203/issn.2454-5929.ijohns20171214.