@misc{indiciae0f0b5354bb6d,
  title = {Electrocardiograph service for general practitioners.},
  author = {I Ross-Smith},
  year = {1968},
  doi = {10.1136/bmj.2.5602.434-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/5649027/},
  note = {Source identifier: 5649027}
}