5762
Secondly , we challenged to assess the combined effects of the two most cytotoxic cocktails by comparing the measured effects of the mixtures with the predictions based on additive effects on two concepts - independent action ( IA ) and concentration addition ( CA ) .
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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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