@misc{indiciaec80d13139c6e,
  title = {Lead I electrocardiographic screening by special purpose computer.},
  author = {D K Bloomfield and H A Zieske},
  year = {1970},
  doi = {10.1016/s0022-0736(70)80051-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4931419/},
  note = {Source identifier: 4931419}
}