@misc{indiciae4d556568bff0,
  title = {[The echocardiogram in mitral anulus calcification].},
  author = {F W Amann and D Conen and H R Jenzer},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/462168/},
  note = {Source identifier: 462168}
}