@misc{indiciaeee70d990a07c,
  title = {Post-infarction conduction disturbances: a self-teaching program.},
  author = {A Castellanos and L Lemberg and A G Arcebal and B W Claxton},
  year = {1969},
  doi = {10.1378/chest.56.5.421},
  url = {https://pubmed.ncbi.nlm.nih.gov/5347251/},
  note = {Source identifier: 5347251}
}