@misc{indiciae96a2826855ec,
  title = {Mitral-valve leaflets and systolic clicks.},
  author = {J F King and M Dunn and R E Kerber},
  year = {1971},
  doi = {10.1056/nejm197106102842317},
  url = {https://pubmed.ncbi.nlm.nih.gov/5576451/},
  note = {Source identifier: 5576451}
}