TY  - RPRT
TI  - [Heart rate variability: variable values].
AU  - Elie Salame
AU  - Roland Kassab
PY  - 2006
DO  - 10.1016/j.ancard.2005.08.001
UR  - https://pubmed.ncbi.nlm.nih.gov/16792036/
ID  - 16792036
ER  -