@misc{indiciae08755ac9d70a,
  title = {Mitral regurgitation.},
  author = {R E Greene},
  year = {1968},
  doi = {10.1001/jama.203.8.588},
  url = {https://pubmed.ncbi.nlm.nih.gov/5694193/},
  note = {Source identifier: 5694193}
}