1. CAMPBELL, E. H., WHITE, E. (1938).-N.Y. St. J. Med., pp. 380, 841.
2. COPPEZ, H. (1929).-Arch. d'Ophtal., Vol. XLVI, p. 705.
3. HUGHES, E. B. C. (1943).-Brit. Ji. Ophhthal., Vol. XXVII, p. 367.
4. TRAQUAIR, H. M., DOTT, N. M., RUSSELL, W. R. (1935).-Brain, Vol. LVIII.
5. years Army service. On January 15, 1945, he was admitted to 65th (Br.) General Hospital with a history of two day's illness