@misc{indiciae17f980ea9181,
  title = {Percutaneous balloon mitral valvotomy: single versus double balloon techniques.},
  author = {S Shrivastava},
  year = {1990},
  doi = {10.1016/0002-9149(90)91021-w},
  url = {https://pubmed.ncbi.nlm.nih.gov/2327350/},
  note = {Source identifier: 2327350}
}