Ahmed, A., khan, M., Ashfaq, M., Nisa, B. u, & Raique, E. (2019). Frequency and Risk Factors of Hypothyroidism in Children with Down Syndrome. Journal of the Dow University of Health Sciences (JDUHS), 13(2), 90–94. https://doi.org/10.36570/jduhs.2019.2.676