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The goal of the study was to deliver a dose rate and total cumulative dose of ifosfamide that would be comparable to standard bolus or short - term infusions administered with Mesna .
 Chemical: ifosfamide; Chemical: Mesna
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: ifosfamide; Chemical: Mesna