@misc{indiciae8502982a1714,
  title = {[Mitral flexibility index. Its value in conservative surgery].},
  author = {A Ochoteco and J L De Ubago and A Figueroa and T Colman and C M Durán},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/663358/},
  note = {Source identifier: 663358}
}