1. Fillerup, D.L., J.C.Migliore and J.F. Mead, J. Biol. Chem. 233:98 (1958).
2. Spector, A.A., and D. Steinberg, Cancer Res. 27:1587 (1967).
3. Spector, A.A., Ibid. 27:1580 (1967).
4. Klein, G., and L. Révész, J. Nat. Cancer Inst. 14:229 (1953).
5. Umbreit, W.W., R.H. Burris and J.F. Stauffer, in “Manometric Techniques and Tissue Metabolism,” Revised edition, Burgess Publishing Co., Minneapolis, Minn., 1957, p. 149.