@misc{indiciae43a24d2f72aa,
  title = {The His bundle electrogram.},
  author = {J I Haft},
  year = {1973},
  doi = {10.1161/01.cir.47.4.897},
  url = {https://pubmed.ncbi.nlm.nih.gov/4121317/},
  note = {Source identifier: 4121317}
}