3041
Finally , a positive correlation was demonstrated between potency in the 313 - 11 replicon and the bi - directional Caco - 2 efflux ratio for a panel of HCV protease inhibitors .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None