VITAMINS 259 



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of Polyneuritis," J. Biol. Chem., 24, 491 (1916). 

 Pohland, A., Flynn, E. H., Jones, R. C, and Shive, W, "The Structure of Folinic 



Acid-SF, a Growth Factor Derived from Pteroyl-Glutamic Acid," Abstracts oj the 



119th Meeting, Am. Chem. Soc, Boston, 1951, p. 18 M. 

 Reed, C. I., Struck, H. G., and Steck, I. E., Vitamin D, The University of Chicago 



Press, Chicago, 1939. 

 Reed, L. J. and De Busk, B. G., "Lipothiamide Pyrophosphate : Coenzyme for Oxida- 

 tive Decarboxylation of a-Keto Acids," J. Am. Chem. Soc, 74, 3964 (1952). 

 Robinson, F. A., The Vitamin B Complex, John Wiley and Sons, Inc., New York, 



1951. 

 Rosenberg, H. R., Chemistry and Physiology of the Vitamins, revised reprint. Inter- 

 science Publishers, Inc., New York, 1945. 

 Salcedo, J., CaiTasco, E. O., Jose, F. R., and Valenzuela, R. C, "Studies on Beriberi 



in an Endemic Subtropical Area," J. Nutrition, 36, 561 (1948). 

 Sebrell, W. H., "Nutritional Diseases in the United States," J. Am. Med. Assoc., 115, 



851 (1940). 

 Sherman, H. C, Chemistry of Food and Nutrition, 7th ed., The Macmillan Com- 

 pany, New York, 1946. 

 Spies, T. D., Experiences with Folic Acid, The Year Book Publishers, Inc., Chicago, 



1947. 

 Sure, B., The Little Things in Life, D. Appleton-Centuiy Company, New York, 1937. 

 du Vigneaud, V., chapter on "Biotin," in The Biological Action of the Vitamins, The 



University of Chicago Press, Chicago, 1942. 

 Toepfer, E. W., Zook, E. G., Orr, M. L., and Richardson, L. R., Folic Acid Content 



of Foods, Agriculture Handbook No. 29, United States Department of Agriculture, 



U. S. Government Printing Office, Washington, D. C, 1951. 

 Wetzel, N. C, Fargo, W. C, Smith, I. H., and Helikson, J., "Growth Failure in School 



Children as Associated with Vitamin B12 Deficiency-Response tO' Oral Therapy," 



Science, 110,651 (1949). 

 Williams, R. J., Eakin, R. E., Beerstecher, E., Jr., and Shive, W., The Biochemistry of 



B Vitamins, Reinhold Publishing Corp., New York, 1950. 

 Williams, R. J., Lyman, C. M., Goodyear, G. H., Truesdail, J. H., and Holaday, D., 



"Pantothenic Acid, A Growth Determinant of Universal Biological Occurrence," 



J. Am. Chem. Soc, 55, 2912 (1933). 

 Williams, R. R. and Spies, T. D., Vitamin Bi and Its Use in Medicine, The Macmillan 



Company, New York, 1939. 

 Woods, D. D. and Fildes, P., "The Antisulfanilamide Activity (In Vitro) of p-Amino- 



benzoic Acid and Related Compounds," Chemistry and Industry (London) 18, 



133 (1940). 

 Woolley, D. W., A Study of Antimetabolites, John Wiley and Sons, Inc., New York, 



1952. 



