TY  - RPRT
TI  - Multiple-lead QRS changes with exercise testing. Diagnostic value and hemodynamic implications.
AU  - J L Berman
AU  - J Wynne
AU  - P F Cohn
PY  - 1980
DO  - 10.1161/01.cir.61.1.53
UR  - https://pubmed.ncbi.nlm.nih.gov/7349942/
ID  - 7349942
ER  -