Alrahili, M., Binyamen, A., Al Otaibi, F., Alnour, A. A., Alsaadi, M., Aloufi, S., Al Sadiq, F., Alzahrani, W., Aljabri, M. and Alqarni, A. (2018) “Importance of vaccines in children with Down syndrome”, International Journal of Contemporary Pediatrics, 5(5), pp. 1710–1714. doi: 10.18203/2349-3291.ijcp20183503.