14770
Here we describe a method for fuinc determination directly in the hepatocyte intrinsic clearance ( CLint ) assay with emphasis on compounds that are actively transported into hepatocytes , hypothesizing that for such compounds the typical protocol of 1 million hepatocytes / ml systematically underestimates the maximum attainable unbound intracellular drug concentration .
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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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