@misc{indiciae86cd238819c5,
  title = {Proficiency testing in acid-base analyses: an interlaboratory evaluation.},
  author = {R Rej and R E Vanderlinde},
  year = {1973},
  doi = {10.1016/0009-8981(73)90286-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4772655/},
  note = {Source identifier: 4772655}
}