@misc{indiciae7223cb21008f,
  title = {[Structural changes in valve prostheses].},
  author = {M Minarini and A F Maizza and G Thiene},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1841811/},
  note = {Source identifier: 1841811}
}