1. Cohen, C., J. Biophys. and Biochem. Cytology (in the press).
2. Jirgensons, B., Arch. Biochem. and Biophys., 39, 261 (1952); 41, 333 (1952).
3. Kauzmann, W., et al., J. Amer. Chem. Soc., 75, 5139, 5152, 5154, 5157, 5167 (1953).
4. Yang, J. T., and Foster, J. F., J. Amer. Chem. Soc., 76, 1588 (1954).
5. Robinson, C. R., “Nature and Structure of Collagen”, 96 (edited by J. T., Randall, Academic Press, N.Y., 1953).