@misc{indiciaef998ef4bde27,
  title = {Influence of mitral valve prosthesis or rigid mitral ring on left ventricular pump function. A study on exposed and isolated blood-perfused porcine hearts.},
  author = {G L van Rijk-Zwikker and J J Schipperheyn and H A Huysmans and A V Bruschke},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2766519/},
  note = {Source identifier: 2766519}
}