@misc{indiciaeb53628abea87,
  title = {The double-capillary-oxygenator.},
  author = {H D Clevert and R Mohnhaupt and K Affeld and F Wallner and E S Bücherl},
  year = {1972},
  doi = {10.1097/00002480-197201000-00096},
  url = {https://pubmed.ncbi.nlm.nih.gov/4679893/},
  note = {Source identifier: 4679893}
}