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A similar picture of chronic diarrhea , an abnormal SeHCAT retention and a response to bile acid sequestrants , in the absence of other disorders of the intestine , is characteristic of idiopathic bile acid malabsorption – also called primary bile acid diarrhea .
 bile acid malabsorption
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Text: {0} 
Answer:
 bile acid malabsorption