TY  - RPRT
TI  - Precise heart-rate control and heart-rate perception.
AU  - R A McFarland
AU  - C Campbell
PY  - 1975
DO  - 10.2466/pms.1975.41.3.730
UR  - https://pubmed.ncbi.nlm.nih.gov/1215113/
ID  - 1215113
ER  -