@misc{indiciaea1b8086a7df0,
  title = {Initial experience with a physiological, rate responsive pacemaker.},
  author = {R M Donaldson and K Fox and A F Rickards},
  year = {1983},
  doi = {10.1136/bmj.286.6366.667},
  url = {https://pubmed.ncbi.nlm.nih.gov/6402196/},
  note = {Source identifier: 6402196}
}