22540
The objective of the study was to establish an in vivo method for assessing cytochrome P450 3A ( CYP3A ) activity using therapeutically inert nanogram doses of midazolam .
 Chemical: midazolam
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: midazolam 
Answer:
 Chemical: midazolam