8099
Female Sprague - Dawley rats were submitted to a HF ( 42 % energy as fat ) or a standard ( SD ) diet for 6 weeks before being either ovariectomized ( Ovx ) or sham operated ( Sham ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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