8658
Directional flux studies revealed greater transport in the basolateral to apical direction with corrected efflux ratios greater than 2 for both P - gp and Bcrp1 transfected cell lines .
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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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