@misc{indiciaeab8b624f87c2,
  title = {Aortic valve replacement in elderly patients.},
  author = {O Storstein and L Efskind},
  year = {1979},
  doi = {10.1111/j.0954-6820.1979.tb13487.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/495221/},
  note = {Source identifier: 495221}
}