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Linear regression analysis was performed and the following result was obtained : clearance ( HMPAO ) = 0 . 07 + 0 . 43 . rCBF with a high significance ( p less than 0 . 001 ) .
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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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