Ehsan Ullah S, Muhammad Irshad Hussain, Faizan Muhammad. Intratracheal ectopic thyroid: a rare cause of upper airway obstruction. J Pak Med Assoc [Internet]. 2026 Jan. 27 [cited 2026 Mar. 15];76(02):251-4. Available from: https://www.jpma.org.pk/index.php/public_html/article/view/21064