Letter: Dr. Pauling comments on the comments.
D004341:Drug Evaluation; D006801:Humans; D009536:Niacinamide / Q000627:therapeutic use; D009539:Nicotinic Acids / Q000627:therapeutic use; D012559:Schizophrenia / Q000188:drug therapy*; D014815:Vitamins / Q000627:therapeutic use*
D009539:Nicotinic Acids; D014815:Vitamins; D009536:Niacinamide