@misc{indiciaeffb6eac2835a,
  title = {Common standards for quantitative electrocardiography.},
  author = {J L Willems},
  doi = {10.3109/03091908509032101},
  url = {https://pubmed.ncbi.nlm.nih.gov/4045988/},
  note = {Source identifier: 4045988}
}