@misc{indiciaec2df8ad01f9e,
  title = {Acid-base status and azostix.},
  author = {S M Hall and I W Preston},
  year = {1971},
  doi = {10.1136/bmj.3.5771.434},
  url = {https://pubmed.ncbi.nlm.nih.gov/5566634/},
  note = {Source identifier: 5566634}
}