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RESULTS : All five patients experienced symptoms of encephalopathy soon after ( within 12 h - 2 days ) receiving ifosfamide .
 Disease: encephalopathy; Chemical: ifosfamide
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: encephalopathy; Chemical: ifosfamide