Sarkar, S., S. Panja, K. Mandal, and S. Kumar. “Colloid Goitre in Submental Ectopic Thyroid: A Rare Entity Posing a Diagnostic and Therapeutic Challenge”. International Surgery Journal, vol. 3, no. 1, Dec. 2016, pp. 377-81, doi:10.18203/2349-2902.isj20160263.