@misc{indiciaeddad791857bc,
  title = {Recurrent tachyarrhythmia associated with a bifocal demand pacemaker.},
  author = {D R Ricci and A K Rider and J W Mason},
  year = {1977},
  doi = {10.1378/chest.72.1.120},
  url = {https://pubmed.ncbi.nlm.nih.gov/141368/},
  note = {Source identifier: 141368}
}