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The aim of this study was to investigate the protective effects of taurine ( Tau ) on experimental acute pancreatitis ( AP ) in a rat model by measuring cytokines and oxidant stress markers . Forty rats were randomly divided into four groups : sham , AP , Tau and AP + Tau .
 Chemical: taurine; Chemical: Tau; Chemical: Tau
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: taurine; Chemical: Tau; Chemical: Tau