Bihani, A., P. Hardikar, Y. Dokhe, and J. Dabholkar. “Ancient Schwannoma of Cervical Sympathetic Chain Masquerading As Carotid Body Tumour”. International Surgery Journal, vol. 2, no. 2, Dec. 2016, pp. 274-7, https://www.ijsurgery.com/index.php/isj/article/view/591.