@misc{indiciaef78a17d95b73,
  title = {Attachment for automated single breath diffusing capacity measurement.},
  author = {E A Gaensler and A A Smith},
  year = {1973},
  doi = {10.1378/chest.63.2.136},
  url = {https://pubmed.ncbi.nlm.nih.gov/4688055/},
  note = {Source identifier: 4688055}
}