1. Gause, G. F., and Brazhnikova, M. G., Lancet, ii, 715 (1944).
2. Consden, R., Gordon, A., Martin, A. J. P., and Synge, R. L. M., Biochem. J., 41, 596 (1947). Battersby, A. R., and Craig, L. C., J. Amer. Chem. Soc., 73, 1887 (1951). Sanger, F., Biochem. J., 40, 261 (1946). Hodgkin, D. C., Cold Spring Harbor Symposia, 14, 65 (1949).
3. Abbreviations are discussed in ref. 6. In general, the first three letters are used to designate the amino-acid residue, for example, Leu = leucyl residue.
4. Harris, J. I., and Work, T. S., Biochem. J., 46, 196, 582 (1950).
5. Bricas, E., and Fromageot, C., “Adv. Prot. Chem.”, 8, 1 (1953).