@misc{indiciae2a67804d3d20,
  title = {Aortic insufficiency.},
  author = {R Hegglin and H Scheu and M Rothlin},
  year = {1968},
  doi = {10.1161/01.cir.38.1s5.v-77},
  url = {https://pubmed.ncbi.nlm.nih.gov/4238575/},
  note = {Source identifier: 4238575}
}