@misc{indiciaecfd4e72a9a21,
  title = {Electrocardiography misused.},
  author = {K S Smith},
  year = {1968},
  doi = {10.1136/hrt.30.1.1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5637551/},
  note = {Source identifier: 5637551}
}