6837
Mesial temporal sclerosis was characterized by severe neuronal loss accompanied by gliosis occurring in the CA1 / prosubiculum ( 27 patients , 100 % ) , focally in the dentate gyrus ( 12 patients , 44 % ) , and in the CA4 region ( 11 patients , 41 % ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
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