21207
Simvastatin , alone or with metformin did not affect serum FABP4 or RBP4 .
 Chemical: Simvastatin; Chemical: metformin
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: Simvastatin; Chemical: metformin