@misc{indiciae0c5960a2091b,
  title = {Artificial cardiac pacemakers.},
  author = {D Vérel},
  year = {1968},
  doi = {10.1136/bmj.2.5600.301-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5646551/},
  note = {Source identifier: 5646551}
}