@misc{indiciaec9b0bf4d7e8a,
  title = {Oxygen conserving methods for adults.},
  author = {A F Barker and L W Burgher and A L Plummer},
  year = {1994},
  doi = {10.1378/chest.105.1.248},
  url = {https://pubmed.ncbi.nlm.nih.gov/8275741/},
  note = {Source identifier: 8275741}
}