@misc{indiciae225e98fb77fd,
  title = {The electrocardiogram during exercise.},
  author = {A H FREIMAN and W TOLLES and W J CARBERY and P RUEGSEGGER and R F ABARQUEZ and J S LADUE},
  year = {1960},
  doi = {10.1016/0002-9149(60)90109-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/13824813/},
  note = {Source identifier: 13824813}
}