4779
Hepatic mRNA levels of CYP7A were significantly reduced by EE in bile - diverted rats only ; CYP27 mRNA levels were not affected by EE .
 Chemical: EE; Chemical: EE
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: EE; Chemical: EE