@misc{indiciae36dc56a7bb03,
  title = {Mitral valve replacement with ball-valve prostheses.},
  author = {K Asano and M Washio},
  year = {1971},
  doi = {10.1007/bf02468911},
  url = {https://pubmed.ncbi.nlm.nih.gov/5173076/},
  note = {Source identifier: 5173076}
}