@misc{indiciae35b88a12ded3,
  title = {Spirometry in assessing non-obstructive ventilatory impairment.},
  author = {I W Webster},
  year = {1974},
  doi = {10.1159/000193102},
  url = {https://pubmed.ncbi.nlm.nih.gov/4820835/},
  note = {Source identifier: 4820835}
}