15551
Apixaban did not inhibit digoxin transport in Caco - 2 cells .
 Chemical: Apixaban; Chemical: digoxin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Apixaban, digoxin 
Answer:
 Chemical: Apixaban; Chemical: digoxin