19015
While a similar association between HRV and BrachD was present in control youth , lower HRV was not associated with increased central AS or with AIx75 . CONCLUSIONSLongitudinal studies are needed to understand the pathways responsible for these associations .
 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