16058
It was impossible to estimate the noobserved - adverse - effect - levels ( NOAEL ) and lowest - observed - adverse - effect - levels ( LOAEL ) due to the presence of hepatotoxicity in all tested doses .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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