@misc{indiciae98a06a4e47bb,
  title = {Quantitative evaluation of left ventricular function by radiographic techniques.},
  author = {C E Rackley},
  year = {1976},
  doi = {10.1161/01.cir.54.6.862},
  url = {https://pubmed.ncbi.nlm.nih.gov/791535/},
  note = {Source identifier: 791535}
}