Viswambharan, Vijitha, Mahesh M. Vasu, Ismail Thanseem, Suresh A. Poovathinal, and Ayyappan Anitha. “Thyroid Abnormalities Among Down Syndrome Children from Kerala, India”. International Journal of Contemporary Pediatrics 6, no. 2 (February 23, 2019): 904–905. Accessed November 25, 2025. https://www.ijpediatrics.com/index.php/ijcp/article/view/2172.