@misc{indiciae67d981399f0a,
  title = {Valvular surgery.},
  author = {L H Cohn},
  year = {1991},
  doi = {10.1097/00001573-199104000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/10149583/},
  note = {Source identifier: 10149583}
}