@misc{indiciae1f116674cc30,
  title = {Electrocardiographic changes with electrocardiac disorders.},
  author = {D H Spodick},
  year = {1984},
  doi = {10.1056/nejm198410043111418},
  url = {https://pubmed.ncbi.nlm.nih.gov/6472411/},
  note = {Source identifier: 6472411}
}