439
These results indicate that delayed toxicity of CY in female DBA / 2 mice causes a bladder pathology that is not observed in C57BL / 6 mice .
 Disease: toxicity; Chemical: CY
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:
 Disease: toxicity; Chemical: CY