@misc{indiciae589548513d0f,
  title = {Functional mitral regurgitation.},
  author = {J E Mielke},
  year = {1970},
  doi = {10.1056/nejm197012242832613},
  url = {https://pubmed.ncbi.nlm.nih.gov/5529733/},
  note = {Source identifier: 5529733}
}