@misc{indiciaef64f389d5d66,
  title = {Interpreting normal electrocardiograms.},
  author = {M P Athayde},
  year = {1981},
  doi = {10.1016/s0001-2092(07)62205-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/6913367/},
  note = {Source identifier: 6913367}
}