Yousaf, R., Z. Saeed, S. Sadiq, S. Rizwan, H. M. Asim, and R. Rehman. “Upper Extremity Motor Performance Among Spastic Quadriplegic Cerebral Palsy Patients With and Without Head Control”. Journal of Health and Rehabilitation Research, vol. 4, no. 2, June 2024, pp. 1318-22, doi:10.61919/jhrr.v4i2.982.