@misc{indiciae27a7e7e5ed09,
  title = {Problems in pneumotachography.},
  author = {A Grenvik and U Hedstrand and H Sjögren},
  year = {1966},
  doi = {10.1111/j.1399-6576.1966.tb00339.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5226622/},
  note = {Source identifier: 5226622}
}