1. Proposed definition and classification of cerebral palsy, April 2005.;Bax;Dev Med Child Neurol,2005
2. Stedman’s Electronic Medical Dictionary, version 4.0.,1998
3. Physical therapy for the child with cerebral palsy, in: Pediatric Physical Therapy, ed 3.;Styer-Acevedo,1999
4. Physiotherapy in paediatrics.;Shepherd,1995
5. Physical activity, exercise, and physical fitness: definitions and distinctions for health-related research.;Caspersen;Public Health Rep,1985