700
Necrosis appears 6 h after TA infusion , being 5 . 77 % in extent after 12 h , 14 . 9 % after 24 h and animals die with an area of 29 . 5 % necrosis .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None