4199
Average DNA methylation was significantly increased in male offspring exposed to doses between 0 . 7 and 7 . 6 cGy , with maximum effects at 1 . 4 and 3 . 0 cGy ( P < 0 . 01 ) .
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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:
 None