@misc{indiciaec25cc678bb34,
  title = {[Heart valve prostheses].},
  author = {W SEIDEL and R ZENKER},
  year = {1963},
  doi = {10.1055/s-0028-1112004},
  url = {https://pubmed.ncbi.nlm.nih.gov/13987731/},
  note = {Source identifier: 13987731}
}