TY  - RPRT
TI  - Heart rate variability: comparison among devices with different temporal resolutions.
AU  - P J Chellakumar
AU  - A Brumfield
AU  - K Kunderu
AU  - A W Schopper
PY  - 2005
DO  - 10.1088/0967-3334/26/6/008
UR  - https://pubmed.ncbi.nlm.nih.gov/16311446/
ID  - 16311446
ER  -