@misc{indiciaecf3da53edd7a,
  title = {Computer analysis of rest and exercise electrocardiograms.},
  author = {H K Wolf and P J MacInnis and S Stock and R K Helppi and P M Rautaharju},
  year = {1972},
  doi = {10.1016/0010-4809(72)90066-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4560180/},
  note = {Source identifier: 4560180}
}