5744
We also measured the change of CLm ( 6 beta ) in 14 healthy subjects in the morning at 10 : 00 - 12 : 00 every 2 or 3 days over a period of 36 - 53 days and observed a 1 . 5 - fold to 3 . 4 - fold day - to - day intraindividual variability in the CYP3A activity .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None