@misc{indiciae1980178936a3,
  title = {Echocardiographic indices of left ventricular function. A comparison.},
  author = {J R Wilson and N Reichek},
  year = {1979},
  doi = {10.1378/chest.76.4.441},
  url = {https://pubmed.ncbi.nlm.nih.gov/477433/},
  note = {Source identifier: 477433}
}