@misc{indiciaecb52675a174a,
  title = {Left ventricular dysfunction discriminated noninvasively beat-to-beat.},
  author = {D H Spodick},
  year = {1984},
  doi = {10.1016/s0002-9149(84)80249-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6486053/},
  note = {Source identifier: 6486053}
}