1. Green, J., Edwin, E. E., Diplock, A. T., and Bunyan, J., Biochem. Biophys. Res. Comm., 2, 388 (1960).
2. Edwin, E. E., Diplock, A. T., Bunyan, J., and Green, J., Biochem. J. (in the press).
3. Green, J., Diplock, A. T., Bunyan, J., and Edwin, E. E., Biochem. J. (in the press).
4. Schwarz, K., and Foltz, C. M., J. Amer. Chem. Soc., 79, 3292 (1957).
5. Dam, H., Nielsen, G. K., Prange, I., and Søendergaard, E., Experientia, 13, 493 (1957).