@misc{indiciae2f0b22b35693,
  title = {[Cardiac valve replacement in the elderly].},
  author = {Y Misawa and T Hasegewa and M Kato},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1434249/},
  note = {Source identifier: 1434249}
}