19076
Furthermore , O2 ( . - ) production in situ was 3 - fold higher in the coronary arteries from hypercholesterolemic mice than in those from normal mice , and such increase was inhibited by statins .
 Chemical: O2 ( . - ); Chemical: statins
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: O2 ( . - ); Chemical: statins