@misc{indiciae656a52d8ecde,
  title = {Validation studies and proficiency testing.},
  author = {Elke Ankilam and Petra Heinze and Simon Kay and Guy Van den Eede and Bert Popping},
  url = {https://pubmed.ncbi.nlm.nih.gov/12083280/},
  note = {Source identifier: 12083280}
}