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Isoproterenol delivered by osmotic minipump implantation in adult C3Heb / FeJ mice resulted in a 46 % increase in heart weight and a 19 . 3 % increase in cardiomyocyte area .
 Chemical: Isoproterenol
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: Isoproterenol