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MATERIALS AND METHODS : The medical records of 6 men and 6 women ( mean age 55 years ) with cyclophosphamide associated bladder cancer were reviewed .
 Chemical: cyclophosphamide; Disease: bladder cancer
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; Disease: bladder cancer