@misc{indiciae9a3b6090a974,
  title = {[Heart valve replacement with 3 different adjustable disk valves].},
  author = {G Fraedrich and P Walter and G Görlach and M Gottwik},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7098837/},
  note = {Source identifier: 7098837}
}