THE 



VITAMINS 



Chemistry, Physiology, Pathology 



VOLUME II 



EDITED 

 BY 



W. H. Sebrell, Jr. Robert S. Harris 



Director, National Institutes of Health Professor of Biochemistry of Nutrition 



Bethesda, Maryland Massachusetts Institute of Technology 



Cambridge, Massachusetts 



ACADEMIC PRESS INC., PUBLISHERS 

 New York . 1954 



