@misc{indiciaec155e7bae72a,
  title = {Cardiac Valve Replacement.},
  author = {L I Bonchek},
  year = {1981},
  doi = {10.1016/s0003-4975(10)61035-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/7259361/},
  note = {Source identifier: 7259361}
}