@misc{indiciae02c33ab6eb52,
  title = {[A new simple method for determining the ejection fraction by left ventriculography].},
  author = {I Beránek and A Belán and M Netusil},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1232169/},
  note = {Source identifier: 1232169}
}