@misc{indiciae346a3cc55d71,
  title = {Cardiac valve replacement: control trials needed.},
  author = {D H Spodick and A Selxer},
  year = {1976},
  doi = {10.1016/s0002-9149(76)80034-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/983965/},
  note = {Source identifier: 983965}
}