@misc{indiciaed0a27e3854d8,
  title = {Left heart catheterization.},
  author = {B BLADES and O GWATHMEY and G A KELSER and J M KESHISHIAN},
  year = {1956},
  url = {https://pubmed.ncbi.nlm.nih.gov/13368765/},
  note = {Source identifier: 13368765}
}