@misc{indiciaeeea84755f8ae,
  title = {A new tilting disc valve prosthesis.},
  author = {V O Björk},
  year = {1969},
  doi = {10.3109/14017436909131912},
  url = {https://pubmed.ncbi.nlm.nih.gov/4900179/},
  note = {Source identifier: 4900179}
}