@misc{indiciae142b4786ea09,
  title = {A constant-flow valve for respiratory gas sampling.},
  author = {J J Osborn and J H Shore and S E Elliott},
  year = {1968},
  doi = {10.1152/jappl.1968.24.1.113},
  url = {https://pubmed.ncbi.nlm.nih.gov/5635760/},
  note = {Source identifier: 5635760}
}