@misc{indiciae5fe4eb04bd2d,
  title = {Ventricular parasystole with 2:1 exit block.},
  author = {L Schamroth and D Blumsohn},
  year = {1986},
  doi = {10.1378/chest.89.6.873},
  url = {https://pubmed.ncbi.nlm.nih.gov/3709252/},
  note = {Source identifier: 3709252}
}