Zion, Gaddam Eluzai, and Raheemunnisa . “Congenital Hypothyroidism Screening by Umbilical Cord Blood: Thyroid Stimulating Hormone”. International Journal of Contemporary Pediatrics 7, no. 2 (January 23, 2020): 397–404. Accessed April 29, 2026. https://www.ijpediatrics.com/index.php/ijcp/article/view/3074.