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w . once daily to rats for 1 , 3 , 6 , 9 and 12 months revealed neurological disorders indicating cerebellum damage ( " valproate encephalopathy " ) .
 neurological disorders, cerebellum damage, valproate, encephalopathy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 neurological disorders, cerebellum damage, valproate, encephalopathy