@misc{indiciae65a6de23bbf1,
  title = {Concurrent percutaneous balloon valvuloplasty.},
  author = {T O Cheng},
  year = {1993},
  doi = {10.1016/0167-5273(93)90140-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/8225677/},
  note = {Source identifier: 8225677}
}