15689
However , a moderate , but statistically significant , negative correlation between CRP and 4 beta - hydroxycholesterol levels was observed .
 Chemical: 4 beta - hydroxycholesterol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 4 beta - hydroxycholesterol 
Answer:
 Chemical: 4 beta - hydroxycholesterol