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After 30 days of CY injection ulcerous and non - ulcerous forms of chronic cystitis appeared in 86 % of DBA / 2 mice but only in 4 % of C57BL / 6 mice .
 Chemical: CY; Disease: cystitis
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: CY; Disease: cystitis