@misc{indiciae8c23e6127389,
  title = {Early years in artificial valve development.},
  author = {E B Kay},
  year = {1989},
  doi = {10.1016/0003-4975(89)90625-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/2673093/},
  note = {Source identifier: 2673093}
}