@misc{indiciae74f774858bba,
  title = {[Assisted circulation with intra-aortic balloon pumping].},
  author = {A Kövamees and O Nyquist and E Orinius},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4837215/},
  note = {Source identifier: 4837215}
}