1. Lorand, L., Hung. Acta Physiol., 1, 6 (1948).
2. Laki, K., and Lorand, L., Science, 108, 280 (1948).
3. Bailey, K., Astbury, W. T., and Rudall, K. M., Nature, 151, 716 (1943).
4. Rudall, K. M., and Lorand, L. (unpublished data).
5. Bagdy, D., Guba, F., Lorand, L., and Mihalyi, E., Hung. Acta Physiol., 1, 6 (1948).