TY  - RPRT
TI  - Reliability of noninvlasive methods for measuring cardiac function in exercise.
AU  - L A Wolfe
AU  - D A Cunningham
AU  - G M Davis
AU  - P A Rechnitzer
PY  - 1978
DO  - 10.1152/jappl.1978.44.1.55
UR  - https://pubmed.ncbi.nlm.nih.gov/627501/
ID  - 627501
ER  -