1. Potts, jun., J. T., and Aurbach, G. D., in The Parathyroid Glands: Ultrastructure, Secretion, and Function, edit. by Talmage, R. V., Gaillard, P. J., and Budy, A. (in the press).
2. Berson, S. A., Yalow, R. S., Aurbach, G. D., and Potts, jun., J. T., Proc. U.S. Nat. Acad. Sci., 49, 613 (1963).
3. Berson, S. A., Yalow, R. S., Glick, S. N., and Roth, J., Metabolism, 13 (2), 171 (1964).
4. Hales, C. H., and Randle, P. J., Biochem. J., 88, 127 (1963).
5. Sherwood, L. M., Mayer, G. P., Potts, jun., J. T., and Aurbach, G. D., Proc. Forty-Seventh Meeting Endocrine Soc., New York, 1965, Abst. No. 5, 23.