@misc{indiciaed1dff7810c8d,
  title = {Ventricular fibrillation masked by the implanted unipolar pacemaker.},
  author = {W M Gersony and G F Geisler and W R Webb},
  year = {1969},
  doi = {10.1378/chest.55.6.503},
  url = {https://pubmed.ncbi.nlm.nih.gov/5786343/},
  note = {Source identifier: 5786343}
}