11332
In order to reach the bloodstream and thus the target receptor , an orally - administered drug must first cross the intestinal barrier , which can occur via a paracellular , passive transcellular , or carrier - mediated uptake and / or efflux process ( active or concentration gradient - driven ) .
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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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