Krishnan, M., A. Kumari, and R. C. V. “Management of a Recurrent Third Branchial Arch Fistula Using Combined Endoscopic and Open Approach”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 10, no. 1, Jan. 2024, pp. 146-8, doi:10.18203/issn.2454-5929.ijohns20240078.