@misc{indiciae6670274f28bd,
  title = {The electrocardiographic exercise test.},
  author = {D Scherf},
  year = {1968},
  doi = {10.1016/s0022-0736(68)80019-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4974184/},
  note = {Source identifier: 4974184}
}