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Although the mechanisms of peripheral neuropathy are still unclear , high - dose cytosine arabinoside is a therapy that is potentially toxic to the peripheral nervous system , and auto / alloimmunity may play an important role in these mechanisms .
 Disease: peripheral neuropathy; Chemical: cytosine arabinoside
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: peripheral neuropathy; Chemical: cytosine arabinoside