@misc{indiciae9be9ed4088d7,
  title = {Lifting the smokescreen.},
  author = {J Britton and F Godfrey},
  year = {2006},
  doi = {10.1183/09031936.06.00037706},
  url = {https://pubmed.ncbi.nlm.nih.gov/16707385/},
  note = {Source identifier: 16707385}
}