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Pancreatic tissues of rats and blood samples were obtained . Tau treatment significantly decreased serum amylase activity ( p < 0 . 001 ) , total injury score ( p < 0 . 001 ) , malondialdehyde levels ( p < 0 . 001 ) and myeloperoxidase ( MPO ) activity ( p < 0 . 001 ) .
 Chemical: Tau; Chemical: malondialdehyde
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: Tau; Chemical: malondialdehyde