@misc{indiciae2568a24b6a37,
  title = {Electrocardiographic diagnosis using digital differentiation.},
  author = {T J Fischhof},
  year = {1982},
  doi = {10.1016/0020-7101(82)90008-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6215362/},
  note = {Source identifier: 6215362}
}