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Busulfan is known to be neurotoxic in animals and humans , but its acute neurotoxicity remains poorly characterized in children .
 Chemical: Busulfan; Disease: neurotoxic; Disease: neurotoxicity
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: Busulfan; Disease: neurotoxic; Disease: neurotoxicity