16114
To evaluate to what extent the regional differences in expression of P - gp and P450 enzymes affect the absorption of a dual substrate , we investigated the transport of darunavir across different small intestinal segments ( duodenum , proximal jejunum and ileum ) .
 Chemical: darunavir
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: darunavir 
Answer:
 Chemical: darunavir