Khalifa, A.M. , Aljohani, S.S. and Alshammari, F.A. 2022. Assessment of Knowledge and Awareness of Down syndrome in Ha’il City Community, KSA. Pakistan Journal of Medical & Health Sciences. 16, 02 (Mar. 2022), 491. DOI:https://doi.org/10.53350/pjmhs22162491.