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Animals that received FUS + DOX ( N = 8 ) had a median survival time that was increased significantly ( P < 0 . 001 ) compared to animals who received DOX only ( N = 6 ) , FUS only ( N = 8 ) , or no treatment ( N = 7 ) .
 Chemical: DOX; Chemical: DOX
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: DOX; Chemical: DOX