5240
The aim of this study was to establish an in vitro cellular model based on human colon carcinoma Caco - 2 , mucus - producing HT29 , and Raji B cells in order to design a model that more accurately mimics the small intestinal epithelial layer .
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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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