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LetterToEditor Article

Is accuracy of clinical chemical routine analyses increasing?

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Pages 375-378 | Received 09 Oct 1987, Accepted 20 Oct 1987, Published online: 05 Aug 2009

References

  • Björkhem I, Elg P, Olesen H, Rasmussen JM, Stokke KT, Theodorsen L, deVerdier CH, Wahlroos Ö. Editorial. On accuracy in clinical chemistry. Scand J Clin Lab Invest 1982; 42: 97–8
  • Björkhem I, Bergman A, Falk O, Kallner A, Lantto O, Svensson L, Åkerlöf E, Blomstrand R. Accuracy of some routine methods used in clinical chemistry as judged by isotope dilution—mass spectrometry. Clin Chem 1981; 27: 733–5
  • Masson P, Ohlsson P, Björkhem I. Combined enzymic-Jaffe method for determination of creatinine in serum. Clin Chem 1981; 27: 18–21
  • Björkhem I, Masson P. Review. Updated methodology for creatinine determination. The test of the month 1982; 8: 1–4
  • Lantto O, Björkhem I, Blomstrand R, Kallner A. Interlaboratory evaluation of four RIA kits for determination of plasma cortisol with special reference to accuracy: influence of matrix in calibration standards. Clin Chem 1980; 26: 1899–902
  • Lantto O, Lindbäck B, Aakvaag A, Damkjaer-Nielsen M, Pomoell UM, Björkhem I. Assay of cortisol with a radioimmunoassay method calibrated by isotope dilution mass spectrometry. A pilot study. Scand J Clin Lab Invest 1983; 43: 433–7
  • Björkhem I, Blomstrand R, Svensson L. Serum cholesterol determination by mass fragmentography. Clin Chim Acta 1974; 54: 185–93
  • Björkhem I, Blomstrand R, Lantto O, Löf A, Svensson L. Plasma cortisol determination by mass fragmentography. Clin Chim Acta 1971; 56: 241–8
  • Björkhem I, Blomstrand R, Öhman G. Mass fragmentography of creatinine proposed as a reference method. Clin Chem 1977; 23: 2114–21

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