@misc{indiciaee912b8173260,
  title = {Method for recording electrocardiographic waveform changes continuously.},
  author = {J M Neilson and C T Davies and A H Kitchin},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5719004/},
  note = {Source identifier: 5719004}
}