@misc{indiciaef434e374c545,
  title = {Valvular heart disease.},
  author = {M S Feinberg and E Schwammenthal and Z Vered},
  year = {1997},
  doi = {10.1056/nejm199711133372014},
  url = {https://pubmed.ncbi.nlm.nih.gov/9380113/},
  note = {Source identifier: 9380113}
}