@misc{indiciae0325931a0fcd,
  title = {Arrhythmia indicators.},
  author = {W A Check},
  year = {1979},
  doi = {10.1001/archinte.139.10.1079},
  url = {https://pubmed.ncbi.nlm.nih.gov/485733/},
  note = {Source identifier: 485733}
}