1. Knox, W. E., Auerback, V. H., and Lin, E. C. C., Physiol. Rev., 49, 164 (1956).
2. Weber, G., Singhal, R. L., and Srivastava, S. K., in Adv. in Enzyme Regulation, 3 (edit. by Weber, G.), 43 (Pergamon Press, Oxford, 1965).
3. Harding, H. R., Rosen, F., and Nichol, C. A., Cancer Res., 24, 1318 (1964).
4. Drury, D. R., J. Clin. Endocrinol., 2, 421 (1942).
5. Ingle, D. J., Endocrinology, 31, 419 (1942).