@misc{indiciae952115d1675e,
  title = {[Echogram interpretation problems in rheumatic defects of the mitral valve].},
  author = {G G Gel'shteĭn and G A Zubkova},
  url = {https://pubmed.ncbi.nlm.nih.gov/7405113/},
  note = {Source identifier: 7405113}
}