1. Chemistry and Biology of Mucopolysaccharides, edit. by Wolstenholme, G. E. W., and O'Connor, M. (Little Brown Co., Boston, 1958).
2. Dische, Z., and Shettles, L. B., J. Biol. Chem., 175, 595 (1948).
3. Partridge, S. M., Biochem. J., 42, 238 (1948).
4. French, D., and Wild, G. M., J. Amer. Chem. Soc., 75, 2612 (1953).
5. Trevelgam, W. E., Procter, D. P., and Harrison, J. S., Nature, 166, 444 (1950).