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This study examined the effect of alpha - tocopherol ( alpha - TC ) , a scavenger of reactive oxygen species , and deferoxamine ( DFO ) , an iron chelator , on the MA - induced neurotoxicity .
 Chemical: alpha - tocopherol; Chemical: alpha - TC; Chemical: oxygen; Chemical: deferoxamine; Chemical: DFO; Chemical: iron; Chemical: MA; 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: alpha - tocopherol; Chemical: alpha - TC; Chemical: oxygen; Chemical: deferoxamine; Chemical: DFO; Chemical: iron; Chemical: MA; Disease: neurotoxicity