8679
The influence of sex , ethnicity , and CYP2B6 genotype on bupropion metabolism as an index of hepatic CYP2B6 activity in humans .
 Chemical: bupropion
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: bupropion 
Answer:
 Chemical: bupropion