Ehsan Ullah, Sana, Muhammad Irshad Hussain, and Faizan Muhammad. “Intratracheal Ectopic Thyroid: A Rare Cause of Upper Airway Obstruction”. Journal of the Pakistan Medical Association 76, no. 02 (January 27, 2026): 251–254. Accessed March 15, 2026. https://www.jpma.org.pk/index.php/public_html/article/view/21064.