@misc{indiciaed6a3de2daa44,
  title = {Interpreting expired CO2 waveforms.},
  author = {G R Neufeld and J E Baumgardner and P W Scherer},
  year = {1990},
  doi = {10.1213/00000539-199012000-00029},
  url = {https://pubmed.ncbi.nlm.nih.gov/2122772/},
  note = {Source identifier: 2122772}
}