25305
Estrogenic potency was measured on the basis of Vitellogenin ( Vtg ) protein ( adults ) levels and relative abundance of vitellogenin - 1 mRNA ( vtg - 1 ) ( larvae and adults ) .
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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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