@misc{indiciaee36f26ba1a11,
  title = {Keeping pace with permanent pacemakers.},
  author = {R B Shaffer},
  doi = {10.1097/00003465-199911000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/10640047/},
  note = {Source identifier: 10640047}
}