@misc{indiciae282c8b0ed1d2,
  title = {Collateral ventilation demonstrated by helium transfer.},
  author = {D H Baker and W J Daly},
  year = {1969},
  doi = {10.1152/jappl.1969.26.3.321},
  url = {https://pubmed.ncbi.nlm.nih.gov/5773174/},
  note = {Source identifier: 5773174}
}