7945
The CPK - MB isoenzyme showed no percentage increase of total CPK higher than 5 % , measured at 6 , 12 , and 24 h after the shock , independent of the number of attempts of cardioversion .
 CPK - MB, CPK
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 CPK - MB, CPK