@misc{indiciaeacce24bf1afc,
  title = {[Assisted circulation].},
  author = {W Bleifeld},
  year = {1970},
  doi = {10.1055/s-0028-1108542},
  url = {https://pubmed.ncbi.nlm.nih.gov/4908275/},
  note = {Source identifier: 4908275}
}