TY  - RPRT
TI  - Ejection time--heart rate relationship during exercise.
AU  - V Q Lance
AU  - D H Spodick
PY  - 1976
DO  - 10.1002/ccd.1810020208
UR  - https://pubmed.ncbi.nlm.nih.gov/954073/
ID  - 954073
ER  -