@misc{indiciaeb8975e4ca0b6,
  title = {Errors in the determination of left ventricular functional parameters.},
  author = {R H Wagner and J R Halama and R E Henkin and G L Dillehay and P A Sobotka},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2809752/},
  note = {Source identifier: 2809752}
}