@misc{indiciae3cade41357fd,
  title = {Quality assurance challenge 2.},
  author = {Manfred Reichenbächer and Jürgen W Einax},
  year = {2005},
  doi = {10.1007/s00216-005-3409-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/16041516/},
  note = {Source identifier: 16041516}
}