@misc{indiciae012989101e9f,
  title = {Noninvasive assessment of left ventricular function.},
  author = {J Meller and M V Herman and L E Teichholz},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/371363/},
  note = {Source identifier: 371363}
}