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Temporary hearing loss is a known toxicity of treatment with DFMO , thus a comprehensive approach was developed to analyze serial air conduction audiograms .
 Disease: hearing loss; Disease: toxicity; Chemical: DFMO
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: hearing loss; Disease: toxicity; Chemical: DFMO