1. Comar, C. L., and Wasserman, R. H., in Mineral Metabolism, 2, Part A, edit. by Comar, C. L., and Bronner, F., 2, Part A, 523 (Academic Press, New York, 1964).
2. Wasserman, R. H., Comar, C. L., and Papadopoulou, D., Science, 126, 1180 (1957).
3. Wasserman, R. H., and Comar, C. L., Proc. Soc. Exp. Biol. and Med., 103, 124 (1960).
4. Thompson, R. C., and Palmer, R. F., Amer. J. Physiol., 199, 94 (1960).
5. Kostial, K., Lutkic, A., Gruden, N., Vojvodic, S., and Harrison, G. E., Intern. J. Rad. Biol., 6, 431 (1963).