1. blocks were usually present at or soon after the Amatruda, C. S;J. Pediat,1942
2. In no case of tentorial or basal cisternal
3. Diseases of the Nervous System,;Brain, W.R.,1947
4. Pediatric X-ray Diagnosis,;Caffey, J.,1945
5. Cairns, H. (1949). Brit. med. J., 1, 969.