Vadakedom, S. S., D. K. Krishnan, D. S. Mammen, B. K. P., and J. M. Antony. “Medical Problems in Children With Down Syndrome”. International Journal of Advances in Medicine, vol. 5, no. 5, Sept. 2018, pp. 1290-4, doi:10.18203/2349-3933.ijam20183910.