@misc{indiciae14ad949e77ff,
  title = {Collateral ventilation.},
  author = {P T Macklem},
  year = {1978},
  doi = {10.1056/nejm197801052980112},
  url = {https://pubmed.ncbi.nlm.nih.gov/618452/},
  note = {Source identifier: 618452}
}