1. Korner, A., in Control Processes in MultiCellular Organisms (edit. by Wolstenholme, G. E. W., and Knight, J.), 81 (Churchill, London, 1970).
2. Tata, J. R., in Biochemical Actions of Hormones (edit. by Litwack, G.), 1, 89 (Academic Press, New York and London, 1970).
3. Widnell, C. C., and Tata, J. R., Biochem. J., 98, 621 (1966).
4. Korner, A., Rec. Prog. Hormone Res., 21, 205 (1965).
5. Roeder, R. G., and Rutter, W. J., Nature, 224, 234 (1969).