139786
It turned out that buteins possess a high ability to inhibit aromatase process in the human body , for this reason , the use of these compounds in the treatment of breast cancer on the estrogen ground has been taken into account .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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