@misc{indiciaeea5a5d32e302,
  title = {A PVC detection program.},
  author = {J S Geddes and H R Warner},
  year = {1971},
  doi = {10.1016/0010-4809(71)90061-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/5122693/},
  note = {Source identifier: 5122693}
}