@misc{indiciae53423279c8f3,
  title = {A revised code for pacemaker identification.},
  author = {V Parsonnet and S Furman and N P Smyth},
  year = {1981},
  doi = {10.1111/j.1540-8159.1981.tb03719.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6167958/},
  note = {Source identifier: 6167958}
}