@misc{indiciae61679dcb6c3b,
  title = {Artificial cardiac pacemakers.},
  author = {J H Bett and D W Evans},
  year = {1968},
  doi = {10.1136/bmj.2.5600.301-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5646552/},
  note = {Source identifier: 5646552}
}