@misc{indiciae908dd9a814bf,
  title = {Sputum induction by saline aerosol.},
  author = {E M Gatner and D Gärtig and H H Kleeberg},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/403619/},
  note = {Source identifier: 403619}
}