@misc{indiciae35494f540b68,
  title = {Effect of ventricular function on left ventricular ejection time in aortic stenosis.},
  author = {P Kligfield and P Okin},
  year = {1979},
  doi = {10.1136/hrt.42.4.438},
  url = {https://pubmed.ncbi.nlm.nih.gov/508475/},
  note = {Source identifier: 508475}
}