Tonape, T., A. P. Lad, I. Shetty, B. Raval, and S. Kumar Balasubramanian. “A Clinico-Pathological Study of Posterior Triangle Neck Swelling: A Case Series”. International Surgery Journal, vol. 4, no. 10, Sept. 2017, pp. 3402-5, doi:10.18203/2349-2902.isj20174504.