82
Riboflavin did not affect the percentage of aflatoxin - treated animals with abnormal urinary excretion patterns , but did increase the magnitude of the disturbances in elimination of kynurenic and xanthurenic acids .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None