@misc{indiciae5c4a67a26f04,
  title = {Electrocardiography.},
  author = {N Henderson},
  year = {1997},
  doi = {10.7748/ns.11.44.45.s51},
  url = {https://pubmed.ncbi.nlm.nih.gov/9326000/},
  note = {Source identifier: 9326000}
}