@misc{indiciae5139cb9c7158,
  title = {[Follow-up studies on valve replacement].},
  author = {K Kagawa and Y Okada and S Nitta and T Hongo and T Sato},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4474279/},
  note = {Source identifier: 4474279}
}