@misc{indiciae281e0e802f5e,
  title = {Regional lung function in chronic airways obstruction.},
  author = {C C Evans and J B Ridyard and C M Ogilvie},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4534925/},
  note = {Source identifier: 4534925}
}