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The present study describes the delayed development of a severe bladder pathology in a susceptible strain of mice ( DBA / 2 ) but not in a resistant strain ( C57BL / 6 ) when both were treated with a single 300 mg / kg dose of cyclophosphamide ( CY ) .
 Chemical: cyclophosphamide; 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:
 Chemical: cyclophosphamide; Chemical: CY