@misc{indiciae7a58addee507,
  title = {Cardiac valve replacement-its current status.},
  author = {C A Hufnagel and J F Gillespie and P W Conrad and C Mercier and F A Evangelist},
  year = {1966},
  url = {https://pubmed.ncbi.nlm.nih.gov/5329758/},
  note = {Source identifier: 5329758}
}