@misc{indiciae1dc20bd05dae,
  title = {Cardioversion after valve replacement.},
  author = {A Selzer},
  year = {1973},
  doi = {10.1016/0002-8703(73)90258-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4719948/},
  note = {Source identifier: 4719948}
}