13174
The addition of oxygen radical scavenger enzymes ( catalase , superoxide dismutase ) and antioxidant ( probucol ) inhibited these events.
 oxygen radical scavenger enzymes, catalase, superoxide dismutase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 oxygen radical scavenger enzymes, catalase, superoxide dismutase