References
1. Libeer JC. Role of external quality assurance schemes in assessing and improving quality in medical laboratories. Clin Chim Acta 2001;309:173–7.10.1016/S0009-8981(01)00518-6Search in Google Scholar
2. Miller WG, Jones GR, Horowitz GL, Weykamp C. Proficiency testing/external quality assessment: current challenges and future directions. Clin Chem 2011;57:1670–80.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000298119600008&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=b7bc2757938ac7a7a821505f8243d9f310.1373/clinchem.2011.168641Search in Google Scholar
3. Miller WG. Specimen materials, target values and commutability for external quality assessment (proficiency testing) schemes. Clin Chim Acta 2003;327:25–37.10.1016/S0009-8981(02)00370-4Search in Google Scholar
4. Miller WG, Myers GL, Rej R. Why commutability matters. Clin Chem 2006;52:553–4.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000325398600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=b7bc2757938ac7a7a821505f8243d9f3Search in Google Scholar
5. Miller WG, Myers GL, Ashwood ER, Killeen AA, Wang E, Ehlers GW, et al. State of the art in trueness and interlaboratory harmonization for 10 analytes in general clinical chemistry. Arch Pathol Lab Med 2008;132:838–46.10.5858/2008-132-838-SOTAITSearch in Google Scholar PubMed
6. Miller WG, Myers GL, Ashwood ER, Killeen AA, Wang E, Thienpont LM, et al. Creatinine measurement: state of the art in accuracy and interlaboratory harmonization. Arch Pathol Lab Med 2005;129:297–304.10.5858/2005-129-297-CMSOTASearch in Google Scholar PubMed
7. Evaluation of matrix effects; approved guideline-second edition. Document EP14-A2. Wayne, PA: Clinical and Laboratory Standards Institute, 2005:25.Search in Google Scholar
8. Naito HK, Kwak YS, Hartfiel JL, Park JK, Travers EM, Myers GL, et al. Matrix effects on proficiency testing materials. Impact on accuracy of cholesterol measurement in laboratories in the nation’s largest hospital system. Arch Pathol Lab Med 1993;117:345–51.Search in Google Scholar
9. Bush V, Reed RG. Bromcresol purple dye-binding methods underestimate albumin that is carrying covalently bound bilirubin. Clin Chem 1987;33:821–3.10.1093/clinchem/33.6.821Search in Google Scholar
10. Bae E, Chung HJ, Kim S, Lee W, Chun S, Min WK. Placental alkaline phosphatase isoenzyme in quality control materials may be a source of variability in alkaline phosphatase activity. Clin Biochem 2011;44:251–3.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000286959100020&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=b7bc2757938ac7a7a821505f8243d9f310.1016/j.clinbiochem.2010.11.007Search in Google Scholar PubMed
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