1. Abbott, K. H., and Courville, C. B. (1942). Bull. Los Angeles neurol. Soc., 7, 12.
2. Abbott, K. H., and Courville, C. B. and Love, J. G. (1943). Ann. Surg., 118, 343.
3. Alexander, W. S. (1948). J. Neuropath. exp. Neurol., 7, 81. Bailey 0. T. (1940). Arch. Path., 30, 42.
4. Alexander, W. S. and Ford, R. (1942). Amer. J. Path., 18, 1.
5. Bailey, P., and Bucy, P. C. (1931). Amer. J. Cancer, 15, 15.