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The cardioprotective effect of the ethanol extract of Picrorrhiza kurroa rhizomes and roots ( PK ) on isoproterenol - induced myocardial infarction in rats with respect to lipid metabolism in serum and heart tissue has been investigated .
 Chemical: ethanol; Chemical: isoproterenol; Disease: myocardial infarction
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: ethanol; Chemical: isoproterenol; Disease: myocardial infarction