REFERENCES
- Brenda, C. E.: Developmental Disorders of Mentation and Cerebral Palsies. New York, Grune & Stratton, Inc., 1954.
- Crothers, B. and Paine, R. S.: The Natural History of Cerebral Palsy. Cambridge, Massachusetts, Harvard University Press, 1959.
- Perlstein, M. A. and Barnett, H. E.: Nature and recognition of cerebral palsy in infancy. JAMA 148: 1389, 1952.
- Phelps, W. M.: Etiology and diagnostic classification of cerebral palsy. Proceedings of the Cerebral Palsy Institute. New York, Association for Aid of Crippled Children, Inc., 1950.
- Pohl, J. F.: Cerebral Palsy. St. Paul, Bruce Publishing Co., 1950.
- Minear, W. L.: A classification of cerebral palsy. Pediatrics 18: 841, 1956.