4657
Therefore , the phenotypic traits of the miR - BHRF1 - 2 null mutant could result partly from reduced miR - BHRF1 - 1 and miR - BHRF1 - 3 expression levels .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
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