1. A Classification of cerebral palsy;Minear;Pediatrics,1956
2. Gait Analysis in Cerebral Pasly;Gage,1991
3. The myth of muscle balance;Silver;J Bone Joint Surg,1985
4. Gait Analysis;Perry,1992
5. Significance of the confusion test in cerebral palsy;Davids;J Pediatr Orthop,1993