@misc{indiciae93c5b61b92f5,
  title = {Problems associated with clinical chemistry quality control materials.},
  author = {C G Fraser and M J Peake},
  year = {1980},
  doi = {10.3109/10408368009108726},
  url = {https://pubmed.ncbi.nlm.nih.gov/6993101/},
  note = {Source identifier: 6993101}
}