TY  - RPRT
TI  - Detecting abnormalities in left ventricular function during exercise before angina and ST-segment depression.
AU  - M T Upton
AU  - S K Rerych
AU  - G E Newman
AU  - S Port
AU  - F R Cobb
AU  - R H Jones
PY  - 1980
DO  - 10.1161/01.cir.62.2.341
UR  - https://pubmed.ncbi.nlm.nih.gov/7397975/
ID  - 7397975
ER  -