@misc{indiciae5338b065c892,
  title = {Threshold analysis of implanted pacemakers.},
  author = {H J Thalen and J van den Berg and J N Homan van der Heide and J Nieveen},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5541916/},
  note = {Source identifier: 5541916}
}