Goel, A., ., A., Raheja, V. and Kumari, M. (2020) “Chondroid syringoma of the upper lip: a rare entity”, International Journal of Otorhinolaryngology and Head and Neck Surgery, 6(10), pp. 1900–1902. doi: 10.18203/issn.2454-5929.ijohns20204198.