468
To determine potential mechanisms of 20E in skeletal muscle , Illumina ' s Mouse Whole Genome - 6 v2 . 0 Expression BeadChips were used to evaluate changes in gene expression of the triceps brachii after 20E infusion .
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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