International Federation of Clinical Chemistry. Committee on Standards. Expert Panel on Nomenclature and Principles of Quality Control in Clinical Chemistry. Approved recommendation (1978) on quality control in clinical chemistry. Part 1. General principles and terminology.

@article{Bttner1979InternationalFO,
  title={International Federation of Clinical Chemistry. Committee on Standards. Expert Panel on Nomenclature and Principles of Quality Control in Clinical Chemistry. Approved recommendation (1978) on quality control in clinical chemistry. Part 1. General principles and terminology.},
  author={Johannes B{\"u}ttner and Rudi Borth and J H Boutwell and P. M. G. Broughton and R C Bowyer},
  journal={Clinica chimica acta; international journal of clinical chemistry},
  year={1979},
  volume={98 1-2},
  pages={129F-143F}
}