@misc{indiciae729eb3d2d5c1,
  title = {Valves for artificial hearts.},
  author = {T Akutsu and H Takagi and W F Cheng},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5718572/},
  note = {Source identifier: 5718572}
}