@misc{indiciae26f03e7b7d9b,
  title = {Heart motion video tracking.},
  author = {H Mond and T Fenelon and R McDonald and G Sloman},
  year = {1973},
  doi = {10.1136/hrt.35.5.488},
  url = {https://pubmed.ncbi.nlm.nih.gov/4716007/},
  note = {Source identifier: 4716007}
}