@misc{indiciae3a4f513122b9,
  title = {Letter: "Silent" mitral prolapse.},
  author = {J G Greenwald},
  year = {1974},
  doi = {10.1161/01.cir.50.6.1284-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4430126/},
  note = {Source identifier: 4430126}
}