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The purpose of this study was to delineate the role of CE in the combined cardiotoxicity of cocaine and ethanol in a model simulating their abuse .
 Chemical: CE; Disease: cardiotoxicity; Chemical: cocaine; Chemical: ethanol
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: CE; Disease: cardiotoxicity; Chemical: cocaine; Chemical: ethanol