@misc{indiciaed2991bdf3161,
  title = {Observations on some continously-acting spirometers.},
  author = {P H BYLES},
  year = {1960},
  doi = {10.1093/bja/32.10.470},
  url = {https://pubmed.ncbi.nlm.nih.gov/13689573/},
  note = {Source identifier: 13689573}
}