@misc{indiciae30e7cb4f1f4a,
  title = {Open E. C. G. service.},
  author = {K P Dawson},
  year = {1970},
  doi = {10.1136/bmj.1.5691.303-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5416629/},
  note = {Source identifier: 5416629}
}