@misc{indiciae068374591308,
  title = {Arrhythmia detection by digital computer.},
  author = {J L Willems and H V Pipberger},
  year = {1972},
  doi = {10.1016/0010-4809(72)90088-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4114190/},
  note = {Source identifier: 4114190}
}