Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Autonomic nervous system functions at the resting state comparing fourth-year nursing students with first- to third-year nursing students. (A) CVRR (P=0.025), (B) LF/HF (P=0.19) and (C) CCVHF (P=0.04). CVRR, coefficient of variation of R-R intervals; LF, low-frequency; HF, high-frequency; CCVHF, coefficient of component variance for HF.
