@misc{indiciaea69a2e7152d2,
  title = {Sputum induction leads to a decrease of exhaled nitric oxide unrelated to airflow.},
  author = {J Beier and K M Beeh and O Kornmann and R Buhl},
  year = {2003},
  doi = {10.1183/09031936.03.00118602},
  url = {https://pubmed.ncbi.nlm.nih.gov/12952273/},
  note = {Source identifier: 12952273}
}