@misc{indiciaea68d75c56263,
  title = {His bundle electrocardiography during routine left heart catheterisation.},
  author = {W R Cabeen and R N MacAlpin},
  year = {1978},
  doi = {10.1136/hrt.40.3.286},
  url = {https://pubmed.ncbi.nlm.nih.gov/637982/},
  note = {Source identifier: 637982}
}