TY  - RPRT
TI  - Cardiac beat frequency and oxygen supply: a comparative study.
AU  - O Poupa
AU  - O Brix
PY  - 1984
DO  - 10.1016/0300-9629(84)90082-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6146429/
ID  - 6146429
ER  -