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CONCLUSION : In this preliminary report , divalproex sodium was a superior alternative to lithium in bipolar patients experiencing cognitive deficits , loss of creativity , and functional impairments .
 divalproex sodium, lithium, bipolar, cognitive deficits, loss of creativity, functional impairments
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 divalproex sodium, lithium, bipolar, cognitive deficits, loss of creativity, functional impairments