TY  - RPRT
TI  - Constructing a heart-rate variability analysis system.
AU  - R S Jaffe
AU  - D L Fung
PY  - 1994
DO  - 10.1007/bf01651466
UR  - https://pubmed.ncbi.nlm.nih.gov/8126539/
ID  - 8126539
ER  -