@misc{indiciaec779fecff0e1,
  title = {Angiocardiography.},
  author = {P G KEIL and C A VOELKER and D J SCHISSEL},
  year = {1949},
  url = {https://pubmed.ncbi.nlm.nih.gov/15408134/},
  note = {Source identifier: 15408134}
}