@misc{indiciaedefe6cbd23e2,
  title = {[Congenital mitral stenosis].},
  author = {L Diekmann and F Hilgenberg and F Bender and W Bircks},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/4245387/},
  note = {Source identifier: 4245387}
}