@misc{indiciae44135262509f,
  title = {Left ventricular angiography as a function test.},
  author = {B H Brundage and M D Cheitlin},
  year = {1973},
  doi = {10.1378/chest.64.1.70},
  url = {https://pubmed.ncbi.nlm.nih.gov/4197892/},
  note = {Source identifier: 4197892}
}