P. S., R., J. Kamalakshy, and S. T. “A Descriptive Study on the Surgical Anatomy of External Laryngeal Nerve in Patients Undergoing Thyroidectomies at a Tertiary Care Center in South India”. International Surgery Journal, vol. 4, no. 2, Jan. 2017, pp. 519-24, doi:10.18203/2349-2902.isj20164799.