25406
When the PON1 192 Q / R polymorphism was compared with PON1 enzyme activities , statistically significant association was found in both OP - exposed and control groups ( p < 0 . 05 ) .
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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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