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Severe polyneuropathy and motor loss after intrathecal thiotepa combination chemotherapy : description of two cases .
 Disease: polyneuropathy; Chemical: thiotepa
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: polyneuropathy; Chemical: thiotepa