References
- Groth T. Internal and external quality assurance. Scand J Lab Invest 1989; 49: 87–94, suppl 193
- Tonks D B. A study of the accuracy and precision of clinical chemistry determinations in 170 Canadian laboratories. Clin Chem 1963; 9: 217–33
- Groth T. Methods and approaches to determine optimal quality for clinical chemical data. Scand J Lab Invest 1980; 40: 47–63, suppl 155
- Skendzel L P., Barnett R N., Platt R. Medical useful criteria for analytical performance of laboratory tests. Am J Clin Path 1985; 83: 200–5
- Scandinavian Society for Clinical Chemistry. General Scandinavian recommendation on quality control and quality assurance in clinical chemistry. Scand J Clin Lab Invest 1990; 50: 225–7
- Westgard J O., Hyltoft Petersen P, Wiebe A. Laboratory process specifications for assuring quality in the U.S. National Cholesterol Education Program (NCEP). Clin Chem 1991; 37: 656–61
- Assessing quality requirements in clinical chemistry. Scand J Lab Invest 1980; 40, suppl 171.Hørder M, (ed)
- Medical need for quality specifications in laboratory medicine. Upsala J Med Sci 1990; 95, de Verdier C-H, ed.
- Ehrmeyer S S., Laessig R H., Leinweber J E., Oryall J J. 1990 Medicare/CLIA final rules for proficiency testing: Minimum intralaboratory performance characteristics (CV and bias) needed to pass. Clin Chem 1990; 36/10: 1736–40
- Bundesärtzekammer. Qualitätssicherung der quantitiven Bestimmungen im Laboratorium. Neue Richtlinien der Bundesärtzekammer. Dt. Ärztebl. 1988; 85/11: A-697–A-712
- Hyltoft Petersen P, de Verdier C-H, Groth T, Aronsson T. Clinically based quality goals; a NORDKEM project. Eur J Haematol 1990; 45: 6–8, suppl. 53. Chapter 1 General Quality Assurance
- Aronsson T, Bjørnstad P, Leskinen E, Uldall A, de Verdier C-H. Assessment of analytical quality in Nordic clinical chemistry laboratories using data from contemporary national programs. Scand J Lab Invest 1984; 44: 115–24, suppl 172
- Linnet K. The between-run component of variation in internal quality control. Clin Chem 1989; 35(7)1416–22
- Gowans E MS, Hyltoft Petersen P, Blaabjerg O, Hørder M. Analytical goals for the acceptance of common reference intervals for laboratories throughout a geographical area. Scand J Clin Lab Invest 1988; 48: 757–64