12132
A prospective trial was undertaken to determine ( 1 ) clinical characteristics of patients with chest pain ; ( 2 ) value of cardiac markers troponin T , myoglobin and CK - MB mass in differentiating cardiac and noncardiac chest pain ; ( 3 ) the proportion of patients with ACS in whom these markers provided helpful additional information on admission and afterwards .
 troponin T, myoglobin, CK, MB
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 troponin T, myoglobin, CK, MB