@misc{indiciae5edc5b4ff0fb,
  title = {[Echocardiographic evaluation of left ventricular function].},
  author = {F Follath and H E Schmitt and F Burkart},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4768693/},
  note = {Source identifier: 4768693}
}