1113
Follow - up visits were scheduled with 2 - drug therapy every 6 to 8 weeks , an average of 10 . 3 visits per patient , with 741 batteries of 6 liver function tests and 714 creatine phosphokinase levels measured .
 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