@misc{indiciaed40927203b6b,
  title = {Benign left bundle branch block.},
  author = {T B Beach and J G Gracey and R H Peter and P W Grunenwald},
  year = {1969},
  doi = {10.7326/0003-4819-70-2-269},
  url = {https://pubmed.ncbi.nlm.nih.gov/5764503/},
  note = {Source identifier: 5764503}
}