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RESULTS : We report seven cases where substitution of lithium , either fully or partially , with divalproex sodium was extremely helpful in reducing the cognitive , motivational , or creative deficits attributed to lithium in our bipolar patients .
 lithium, divalproex sodium, cognitive , motivational , or creative deficits, lithium, bipolar
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 lithium, divalproex sodium, cognitive , motivational , or creative deficits, lithium, bipolar