1. Himwich, H. E., Brain Metabolism and Cerebral Disorders (The Williams and Wilkins Co., Baltimore, 1951).
2. Elliott, K. A. C., Page, I. H., and Quastel, J. H., Neurochemistry (Charles C. Thomas, Springfield, Illinois, 1955).
3. McIlwain, H., Biochemistry and the Central Nervous System (J. and A. Churchill, Ltd., London, 1955).
4. Winzler, J. R., Moldave, K., Rafelson, jun., M. E., and Pearson, H. E., J. Biol. Chem., 199, 485 (1952). Roberts, R. B., Flexner, J. B., and Flexner, L. B., J. Neurochem., 4, 78 (1959); J. Cell. Comp. Physiol., 51, 385 (1958).
5. Beloff-Chain, A., Cantazaro, R., Chain, E. B., Massi, I., and Pocchiari, F., Proc. Roy. Soc., B, 144, 22 (1955). Kini, M., and Quastel, J. H., Nature, 184, 252 (1959).