Reddy, G. V., M. R. Vennila, A. Premkumar, R. R. Edwin, and A. Rekha. “Schwannoma of Cervical Sympathetic Chain”. British Journal of Healthcare and Medical Research, vol. 9, no. 5, Sept. 2022, pp. 58-64, doi:10.14738/jbemi.95.12752.