12077
By comparing the outcome of each assay to the known in vivo effects , hESC - CMs offered an improved model over H9c2 cells for the detection of structural cardiotoxicity at therapeutically relevant concentrations .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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