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Clinical Chemistry and Laboratory Medicine (CCLM)

Published in Association with the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM)

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Volume 42, Issue 9 (Sep 2004)


Wood WG. Questionable results – who directs the EQAS organisers?

Gunnar Nordin
  • EQUALIS, Uppsala, Sweden
/ Ulf Örnemark
  • EQUALIS, Uppsala, Sweden
/ Lena Hård
  • EQUALIS, Uppsala, Sweden
Published Online: 2011-09-21 | DOI: https://doi.org/10.1515/CCLM.2004.221


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    Van Nevel L, Örnemark U, Smeyers P, Harper C, Taylor PDP. Report EUR 20657 EN, IRMM, Geel, Belgium, June 2003. www.imep.ws.

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    ISO 1000:1992. SI units and recommendations for the use of their multiples and of certain other units. ISO Geneva, 1992.

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    IFCC-IUPAC coding scheme for properties and units in clinical laboratory sciences. http://www.ifcc.org/divisions/sd/c-npu.htm.

  • 4

    King B, Boley N, Kannan G. The correlation of laboratory performance in proficiency testing with other QA characteristics. Accred Qual Assur 1999; 4:280–91.

  • 5

    Örnemark U, Boley N, Saeed K, van Berkel PM, Schmidt R, et al. Proficiency testing in analytical chemistry, microbiology and laboratory medicine: Working group discussions on current status, problems and future directions. Accred Qual Assur 2001; 6:140–6.

  • 6

    Koch M. Regulatory aspects of proficiency testing: experience from the water sector. Accred Qual Assur 2004. Online publication 29 Apr 2004.

About the article

Corresponding author: Gunnar Nordin, EQUALIS, Box 977, 751 09 Uppsala, Sweden. Fax: +46 18 693146, E-mail:

Published Online: 2011-09-21

Published in Print: 2004-09-01

Citation Information: Clinical Chemistry and Laboratory Medicine (CCLM), ISSN (Online) 1437-4331, ISSN (Print) 1434-6621, DOI: https://doi.org/10.1515/CCLM.2004.221. Export Citation

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