CONTENTS 



Chapter IID: 



Utilization of Competitive Analogue- 

 Metabolite Inhibition in the Elucida- 

 tion of Biochemical Processes Involv- 

 ing Vitamins 458 

 P-Aminobenzoic Acid 481 

 Biotin 542 

 The Folic Acid Group 565 

 The Nicotinic Acid Group 604 

 Pantothenic Acid 620 

 The Vitamin B 6 Group 652 

 Riboflavin 669 

 Thiamine 684 

 Biological Activities of Other Nutritional 

 Factors of Doubtful Status 703 



