@misc{indiciae604b425c366e,
  title = {[Automatic system for the intraoperative evaluation of heart function].},
  author = {V F Portnoĭ and I G Nidekker and G F Dvortsin and E E Brodetskaia and A V Zarovnyĭ},
  url = {https://pubmed.ncbi.nlm.nih.gov/475043/},
  note = {Source identifier: 475043}
}