@misc{indiciaeb9c7e61a433b,
  title = {Differential ventilation.},
  author = {C G Frostell},
  year = {1991},
  doi = {10.1111/j.1399-6576.1991.tb03408.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1927221/},
  note = {Source identifier: 1927221}
}