Pellagra, serotonin and 5-HIAA.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine*; D007501:Iron / Q000097:blood; D008297:Male; D008875:Middle Aged; D010383:Pellagra / Q000378:metabolism*; D011166:Porphyrins / Q000097:blood; D012701:Serotonin / Q000097:blood*
D011166:Porphyrins; D012701:Serotonin; D006897:Hydroxyindoleacetic Acid; D007501:Iron