@misc{indiciae68be91d2f816,
  title = {Lung function testing: methods and reference values for forced expiratory volume (FEV1) and transfer factor (TL).},
  author = {J E Cotes and D J Chinn and J W Reed},
  year = {1997},
  doi = {10.1136/oem.54.7.457},
  url = {https://pubmed.ncbi.nlm.nih.gov/9282120/},
  note = {Source identifier: 9282120}
}