1. Dam, H.: Cholesterinstoffwechsel in Huhnereieren und Huhnchen.Biochem. Ztschr., 215:475, 1929.
2. Almquist, H. J. and Stokstad, E. L. R.: The Gizzard Factor of the Chick.J. Nutrit., 13:339, 1937.
3. Cheney, Garnett and Rantz, Lowell: At Press.
4. Hurst, A. F. and Stewart, M. J.: Gastric and Duodenal Ulcers. Oxford University Press, pp. 80 to 81. 1929.
5. Cheney, Garnett and Cox, Alvin: To be published.