733
BACKGROUND : Cardiac troponins I ( cTnI ) and T ( cTnT ) have been shown to be highly sensitive and specific markers of myocardial cell injury .
 myocardial cell injury
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 myocardial cell injury