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Recently developed cell culture protocols have allowed for the derivation of multi - cellular structures dubbed intestinal " organoids " from embryonic stem cells ( ESCs ) , induced pluripotent stem cells ( IPSCs ) , and adult intestinal stem cells ( ISCs ) .
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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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