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The clinical efficacy rates evaluated in 151 cases ( KS - R1 group in 77 cases , oral group in 74 cases ) on standard criteria of committee members were 88 . 3 % for the KS - R1 group and 86 . 5 % for the oral group , respectively .
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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:
 None