@misc{indiciae55a87c24c951,
  title = {Percutaneous mitral balloon valvotomy.},
  author = {P C Block and E M Tuzcu and I F Palacios},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/2054817/},
  note = {Source identifier: 2054817}
}