2905
The experiments were performed on ApoE - / - - deficient mouse strain C57BL / 6 , bred under germ - free ( GF ) conditions for two generations or under conventional conditions with defined microflora ( CV ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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