@misc{indiciaeac4197d73ca5,
  title = {Regurgitant valvular disease.},
  author = {J S Borer},
  year = {1991},
  doi = {10.1002/j.1552-4604.1991.tb03683.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1761735/},
  note = {Source identifier: 1761735}
}