1. Ketterer, B., Randle, P., and Young, F. G., Ergeb. Physiol. biol. chem. exp. Pharmakol., 49, 128 (1957).
2. Korner, A., and Manchester, K. L., Brit. Med. Bull., 16, 233 (1960).
3. Korner, A., in Modern Trends in Endocrinology, edit. by Gardiner-Hill, H., 19 (Paul B. Hoeber, New York, 1960).
4. Yalow, R. S., and Berson, S. A., J. Clin. Invest., 39, 1157 (1960).
5. Glick, S. M., Roth, J., Yalow, R. S., and Berson, S. A., J. Clin. Invest., 42, 935 (1963).