@misc{indiciae3c6e4fb29918,
  title = {Shields needed for pacemakers.},
  author = {W C Milroy},
  year = {1971},
  doi = {10.1056/nejm197103042840915},
  url = {https://pubmed.ncbi.nlm.nih.gov/5542053/},
  note = {Source identifier: 5542053}
}