@misc{indiciaebe30046024f3,
  title = {An electronic pulse detector.},
  author = {P S MARCUS},
  year = {1955},
  doi = {10.1097/00000542-195507000-00022},
  url = {https://pubmed.ncbi.nlm.nih.gov/13238883/},
  note = {Source identifier: 13238883}
}