15906
To study this potential link in an in vivo system , we developed a mouse model of long - term bacteria - induced chronic inflammation of the prostate using a human prostatectomy - derived strain of Propionibacterium acnes .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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