van Eck, Mirjam, Annet Dallmeijer, Ilse S. van Lith, Jeanine M. Voorman, and Jules Becher. 2010. “Manual Ability and Its Relationship With Daily Activities in Adolescents With Cerebral Palsy”. Journal of Rehabilitation Medicine 42 (5):493-98. https://doi.org/10.2340/16501977-0543.