1. See papers 31, 33, 34 and 35 by Stahmann, M. A., Sela, Michael, Maurer, Paul H., and Gill III, Thomas H., and Doty, Paul, in Polyamino Acids. Polypeptides and Proteins, edit. by Stahmann, Mark A. (Univ. Wisconsin Press, 1962), for a recent summary of work in this field.
2. Hofmann, K., and Yajima, H., Rec. Prog. Hormone Res., 18, 41 (1962).
3. Hofmann, K., and Yajima, H., J. Amer. Chem. Soc., 83, 2289 (1961).
4. Hofmann, K., Yanaihara, N., Lande, S., and Yajima, H., J. Amer. Chem. Soc. (in the press).
5. Hofmann, K., Yajima, H., Liu, T., Yanaihara, N., Yanaihara, C., and Humes, J. L., J. Amer. Chem. Soc. (in the press).