1. Folch, J., 1952: In: W. D. MacElroy, and H. B. Glass, eds.: ?Phosphorus Metabolism,? Vol. II, p. 186, Johns Hopkins Press, Baltimore.
2. Michelazzi, L., 1955: Experientia11, 389.
3. Pilgeram, L. O., and D. M. Greenberg, 1955: J. Biol. Chem.216, 465.
4. Gaby, W. L., C. Hadley, and R. C. Kaminski, 1957: J. Biol. Chem.227. 853.
5. Asselineau, J., H. Buc, P. Jolies, and E. Lederer, 1958: Bull. Soc. Chim. Biol.40, 1953.