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The objective of this investigation was to test the hypothesis that carvedilol , a nonselective beta - adrenergic receptor antagonist with potent antioxidant properties , protects against the cardiac and hepatic mitochondrial bioenergetic dysfunction associated with subchronic doxorubicin toxicity .
 Chemical: carvedilol; Chemical: doxorubicin; Disease: toxicity
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: carvedilol; Chemical: doxorubicin; Disease: toxicity