@misc{indiciae119955f6c8a0,
  title = {[Pulmonary counterpulsation].},
  author = {P P Lunkenheimer and H M Keller and K H Schrader and D Kintzonidis and A Jammal and U Hahn and M Maceben},
  year = {1969},
  doi = {10.1055/s-0028-1099370},
  url = {https://pubmed.ncbi.nlm.nih.gov/5275439/},
  note = {Source identifier: 5275439}
}