TY  - RPRT
TI  - Evolution of the exercise electrocardiogram.
AU  - P Kligfield
AU  - P M Okin
PY  - 1994
DO  - 10.1016/0002-9149(94)90183-x
UR  - https://pubmed.ncbi.nlm.nih.gov/8203340/
ID  - 8203340
ER  -