@misc{indiciaedc580af4ee0d,
  title = {A multilaboratory-evaluated reference method for the determination of serum sodium.},
  author = {R Schaffer and R A Velapoldi and R C Paule and J Mandel and G N Bowers and B E Copeland and D O Rodgerson and J C White},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7296834/},
  note = {Source identifier: 7296834}
}