@misc{indiciaefa14119fab3f,
  title = {Computer detection of ventricular ectopic beats.},
  author = {C L Feldman and P G Amazeen and M D Klein and B Lown},
  year = {1970},
  doi = {10.1016/0010-4809(70)90034-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4101359/},
  note = {Source identifier: 4101359}
}