9977
In this study , we investigated SFO - induced atherosclerotic plaque vulnerability ( possibility of rupture ) in apolipoprotein E - knockout ( apoE ( - / - ) ) mice .
 Chemical: SFO
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: SFO