@misc{indiciae1cb5682062e9,
  title = {Simple ECG lead tester.},
  author = {R McGillivray},
  year = {1991},
  doi = {10.1007/bf02446108},
  url = {https://pubmed.ncbi.nlm.nih.gov/1813761/},
  note = {Source identifier: 1813761}
}