@misc{indiciaedf5a562b253e,
  title = {Non-invasive evaluation of regional ventricular dysfunction.},
  author = {E H Sonnenblick},
  year = {1971},
  doi = {10.1056/nejm197107082850209},
  url = {https://pubmed.ncbi.nlm.nih.gov/5557152/},
  note = {Source identifier: 5557152}
}