4593
There was also a highly significant correlation between total selenium intake and liver selenium concentration ( r = 0 . 99 , p < 0 . 01 ) after 1 mo of treatment , but this time liver selenium did not change with time , and the correlation remained highly significant throughout the investigation .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None