1. W. Z. Hassid and S. Abraham, “Methods in Enzymology,” Vol. III, ed. by S. P. Colowick and N. O. Kaplan, Academic Press Inc., New York, 1957, p. 34.
2. J. H. Bragdon, “Lipids and the Steroid Hormones in Clinical Medicine,” ed. by F. W. Sunderman, Lippincott, Philadelphia, 1960, p. 9.
3. V. R. Young, “Mammaliar Protein Metabolism,” Vol. IV, ed. by H. N. Munro, Academic Press Inc., New York, 1970, p. 588.