1. A classification of cerebral palsy;Minear;Pediatrics,1956
2. Memorandum on terminology and classification of “cerebral palsy”;MacKeith;Cerebral Palsy Bull,1959
3. Definition of cerebral palsy;MacKeith;Cerebral Palsy Bull,1959
4. Terminology and classification of cerebral palsy;Bax;Dev Med Child Neurol,1964
5. Factors affecting walking in a profoundly retarded population;Shapiro;Dev Med Child Neurol,1979