1. Angevine, D. Murray, Rothbard, S., and Cecil, R. L. (1942). Annals of Rheumatic Diseases, 3, 101.
2. Cecil, R. L., Nicholls, E. E., and Stainsby, W. J. (1931). Amer. J. med. Sci., 12, 181.
3. and de Gara, P. F. (1946). Ibid., 211, 472.
4. Dawson, M. H., Olmstead, M., and Boots, R. H. (1932). J. Immunol., 187, 23.
5. Dawson, M. H., Olmstead, M., and Boots, R. H. and Jost, E. L., (1934). Ibid., 355, 27.