@misc{indiciae1d9ecc1f5112,
  title = {[Quantifying aortic valve insufficiency using color Doppler echocardiography].},
  author = {K Kirchner and H J Strauss and P Hintz and H Schaedel},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2392857/},
  note = {Source identifier: 2392857}
}