483
All patients underwent a rapid rule - in protocol that included serial sampling of creatine kinase ( CK ) , CK - MB , and cardiac troponin I ( cTnI ) over eight hours .
 Chemical: creatine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: creatine