14386
To further confirm Pgp induction in rifampin treated mice , digoxin , a known substrate of Pgp , was administered to the rifampin pre - treated mice , and a significant drop in the digoxin exposure was observed compared to the control group .
 Chemical: rifampin; Chemical: digoxin; Chemical: rifampin; Chemical: digoxin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: rifampin; Chemical: digoxin; Chemical: rifampin; Chemical: digoxin