@misc{indiciae028e546b495b,
  title = {A system for automatic end-tidal gas sampling at rest and during exercise.},
  author = {H L Barlett and J L Loomis and N S Deno and J Kollias and J L Hodgson and E R Buskirk},
  year = {1973},
  doi = {10.1152/jappl.1973.35.2.301},
  url = {https://pubmed.ncbi.nlm.nih.gov/4723040/},
  note = {Source identifier: 4723040}
}