@misc{indiciae423a1d90e7eb,
  title = {[Valve grafts: problems and results].},
  author = {C G Duran and J L Pomar and J I Gallo and J L Ubago},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/563695/},
  note = {Source identifier: 563695}
}