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LETTER TO THE EDITOR

Expressing measurement results when the measured values are equal to or lower than the corresponding limit of detection

Pages 87-88 | Received 10 Jun 2011, Accepted 08 Sep 2011, Published online: 24 Oct 2011

References

  • Joint Committee for Guides in Metrology. International vocabulary of metrology – Basic and general concepts and associated terms. JCGM 200, 3rd edition ed.; BIPM: Sèvres, 2008; www.bipm.org/vim
  • International Union of Pure and Applied Chemistry. Nomenclature in evaluation of analytical methods including detection and quantification capabilities (IUPAC Recommendations 1995). [Prepared by L.A. Currie] Pure Appl Chem 1995;67:1699–1725.
  • International Organization for Standardization. Medical laboratories – Particular requirements for quality and competence. ISO 15189. Geneve: ISO; 2007.
  • International Organization for Standardization, International Electrotechnical Commission. General requirements for the competence of testing and calibration laboratories. ISO/IEC 17025:2005. Geneve: ISO; 2005.
  • Clinical and Laboratory Standards Institute. Protocols for determination of limits of detection and limits of quantitation; Approved Guideline. CLSI document EP17-A. CLSI: Wayne, PA; 2004.
  • International Organization for Standardization, International Electrotechnical Commission. Uncertainty of measurement – Part 3: Guide to the expression of uncertainty in measurement. ISO/IEC Guide 98-3:2008 (GUM, 1995). Geneve: ISO; 2008.
  • International Union of Pure and Applied Chemistry, International Federation of Clinical Chemistry. Properties and units in the clinical laboratory sciences – I. Syntax and semantic rules (Recommendations 1995). Pure Appl Chem 1995;67:1563–74.

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