29054
Polymeric micelles can achieve transepithelial drug delivery because of their ability to be internalized into cells and / or cross epithelial barriers , thereby delivering drugs either locally or systematically following non - parenteral administration .
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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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