@misc{indiciae794c03b4976b,
  title = {Stepwise approach to the unknown pacemaker ECG.},
  author = {A Garson},
  year = {1990},
  doi = {10.1016/s0002-8703(05)80333-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2181842/},
  note = {Source identifier: 2181842}
}