1. Dorset, M., and Henley, R. R., J. Agric. Res., 6, 333 (1916).
2. Li, J. G., and Osgood, E. E., Blood, 4, 670 (1949).
3. Rigas, D., and Osgood, E. E., J. Biol. Chem., 82, 447 (1955).
4. Goddard, J. R., and Mendel, L. B., J. Biol. Chem., 82, 447 (1929).
5. Osgood, E. E., A Symposium on the Blood, 219 (Univ. Wisconsin Press, 1941); West J. Surg. Obs. and Gyn., 48, 540 (1940).