@misc{indiciae673430982963,
  title = {Standards for oxygen analyzers.},
  author = {J Hedley-White},
  year = {1989},
  doi = {10.1097/00000542-198908000-00029},
  url = {https://pubmed.ncbi.nlm.nih.gov/2757255/},
  note = {Source identifier: 2757255}
}