@misc{indiciae19ce11168c51,
  title = {Troubleshooting... external pacemakers.},
  author = {Ray Nielsen},
  doi = {10.2345/0899-8205(2004)38[124:ep]2.0.co;2},
  url = {https://pubmed.ncbi.nlm.nih.gov/15106431/},
  note = {Source identifier: 15106431}
}