@misc{indiciaead14e3885c2d,
  title = {Mitral valvar grafts.},
  author = {M I Ionescu},
  year = {1971},
  doi = {10.1136/hrt.33.suppl.56},
  url = {https://pubmed.ncbi.nlm.nih.gov/5572647/},
  note = {Source identifier: 5572647}
}