@misc{indiciae7a74cc31ecf5,
  title = {Mitral leaflet billowing and prolapse. Implications for management.},
  author = {J B Barlow and W A Pocock},
  year = {1988},
  doi = {10.1007/bf02125738},
  url = {https://pubmed.ncbi.nlm.nih.gov/3154681/},
  note = {Source identifier: 3154681}
}