Ahmad, S., A. Mannan, A. Azam, S. Arif, M. Hayat, and T. Hafeez. “Health Benefits of Physical Therapy Interventions in Children Suffering from Down Syndrome. A Systematic Review”. Journal of Health and Rehabilitation Research, vol. 3, no. 2, Dec. 2023, pp. 418-26, doi:10.61919/jhrr.v3i2.158.