3089
One week after the last DOX treatment ( acute stage ) , MHC - CB7 mice exhibited improved cardiac function and lower levels of cardiomyocyte apoptosis when compared with the NON - TXG mice .
 Chemical: DOX
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: DOX