1139
Response to treatment was better in patients with less pretreatment ( one - two prior treatments ) than in heavily pretreated ones ( more than three ) and this relation was found to be statistically significant ( p < 0 . 05 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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