@misc{indiciae5f6f84cd96d8,
  title = {Systolic time intevals: a non-invasive method to determine left ventricular function. Current status, advantages and limitations.},
  author = {R Shabetai},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4514431/},
  note = {Source identifier: 4514431}
}