@misc{indiciae25739190ad97,
  title = {Interchangeability of left ventriculograms.},
  author = {B G Krohn},
  year = {1977},
  doi = {10.1016/s0002-8703(77)80191-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/831405/},
  note = {Source identifier: 831405}
}