@misc{indiciae296c09da64a7,
  title = {Evaluation of left ventricular function during ejection.},
  author = {P D Stein and H N Sabbah},
  year = {1992},
  doi = {10.1007/bf02368509},
  url = {https://pubmed.ncbi.nlm.nih.gov/1562101/},
  note = {Source identifier: 1562101}
}