12082
Mean Hg concentrations in the livers of mice at some sites in Isle Royale are not significantly lower ( P = 0 . 62 ) than Hg concentrations considered by some government agencies to be unhealthy for human consumption .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None