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201. Potter, V. R., Olson, R. E., Weinhouse, S. and Zamecnik, P. C. et ah Symposium on Intermediary Carbohydrate Metabolism in Tumor Tissue. Cancer Res., 11: 565, 1951.

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207. Raker, E., Wu, R. and Alpers, J. B.: Carbohydrate Metabolism in Ascites Tumor and Hela Cells. Amino Acids, Proteins and Cancer Biochemistry. Jesse P. Greenstein Memorial Sympos. New York, Academic Press, Inc., p. 175, 1960. Ed. Edsall, J. T.

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209. Rapport, M. M., Graf, L., Skipski, V. P. and Alonzo, N. F.: Immunochemical Studies of Organ and Tumor Lipids. VI. Isolation and Properties of Cytolipin H. Cancer, 12: 438, 1959.

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227. see Skipper, H. E. and Bennett, L. L., Jr.: Biochemistry of Cancer. Ann. Rev. Biochem.,27: 137, 1958.

228. Smythe, C. V.: Desulfyhydrases and Dehydrases. Methods in Enzymology. New York, Academic Press Inc., 1955, II, p. 315. Ed. Colo-wick, S. P. and Kaplan, N. O.

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248. Waravdeker, V. S., Paradis, A. D. and Leiter, J.: Enzyme Changes induced in Normal and Malignant Tissues with Chemical Agents. V. Effect of Acetylpodophyllotoxin-&)-pyridinium Chloride on Uricase, Adenosine Deaminase, Nucleoside Phosphorylase and Glutamic Dehydrogenase Activities.J. Nat. Cancer Inst., 16: 99, 1955; see also previous publications.

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268. Yates, R. A. and Pardee, A. B.: Pyrimidine Biosynthesis in Escherichia coli by a Feed-Back Mechanism. J. Biol. Chem., 221: 743, 1956.

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