@misc{indiciae3e2fb6dc0e92,
  title = {Porcine valves.},
  author = {W W Angell and J D Angell},
  doi = {10.1016/0033-0620(80)90009-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/6774381/},
  note = {Source identifier: 6774381}
}