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Following on from our previous study of metal effects on 24 GFP - reporter strains representing four different stress - response pathways in C . elegans ( Anbalagan et al . Ecotoxicology 21 : 439 - 455 , 2012 ) , we now present parallel data on the responses of these same strains to several commonly used pesticides .
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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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