Ramasamy, Punithakumar, Suresh Babu Kale, Senthilkumar Ramalingam, and Murugesan Veerappa. 2018. “A Rare Cause for Aphonia - Ortners Syndrome”. International Journal of Otorhinolaryngology and Head and Neck Surgery 4 (5):1321-23. https://doi.org/10.18203/issn.2454-5929.ijohns20183710.