1. Alquie, A. (1865). Gaz. med. Paris, 3 ser., 20, 226.
2. Bright, R. (1831). Reports of Medical Cases, vol. 2, pt. 2, p. 681.
3. Commotio Cerebri;Courville, C.B.,1953
4. Contributions to the Study of Cerebral Anoxia;Angeles,1953
5. Denny-Brown, D., and Russell, W. R. (1941). Brain, 64, 93.