@misc{indiciae24dec048a9a7,
  title = {European standards for lung function testing: 1993 update.},
  author = {G Laszlo},
  year = {1993},
  doi = {10.1136/thx.48.9.873},
  url = {https://pubmed.ncbi.nlm.nih.gov/8236066/},
  note = {Source identifier: 8236066}
}