5589
The systemic distribution of EFV oxidative metabolites was examined in blood plasma , seminal plasma , and cerebrospinal fluid from subjects on an EFV - based regimen .
 Chemical: EFV; Chemical: EFV
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: EFV; Chemical: EFV