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Items: 1 to 20 of 119

1.

Investigation of cholesterol bias due to a matrix effect of external quality assurance samples: how true is your cholesterol method?

Pretorius CJ, Klingberg S, Johnson L, Park R, Wilgen U, Ungerer JP.

Ann Clin Biochem. 2012 Nov;49(Pt 6):538-41. doi: 10.1258/acb.2012.012009. Epub 2012 Sep 27.

PMID:
23019601
2.

Validation of a reference method for total cholesterol measurement in human serum and assignation of reference values to proficiency testing samples.

Heuillet M, Lalere B, Peignaux M, De Graeve J, Vaslin-Reimann S, Pais De Barros JP, Gambert P, Duvillard L, Delatour V.

Clin Biochem. 2013 Mar;46(4-5):359-64. doi: 10.1016/j.clinbiochem.2012.11.026. Epub 2012 Dec 5.

PMID:
23219742
3.

Results of the recalibration of creatinine measurement with the modular Beckman Coulter Jaffe creatinine method.

Fillée C, Vranken G, Othmane M, Philippe M, Allaeys JM, Courbe A, Ruelle JL, Peeters R.

Clin Chem Lab Med. 2011 Dec;49(12):1987-99. doi: 10.1515/CCLM.2011.674. Epub 2011 Jul 29.

PMID:
21801031
5.

Trueness verification in European external quality assessment schemes: time to care about the quality of the samples.

Thienpont LM, Stöckl D, Friedecký B, Kratochvíla J, Budina M.

Scand J Clin Lab Invest. 2003;63(3):195-201.

PMID:
12817905
6.

An improved reference measurement procedure for triglycerides and total glycerides in human serum by isotope dilution gas chromatography-mass spectrometry.

Chen Y, Liu Q, Yong S, Teo HL, Lee TK.

Clin Chim Acta. 2013 Oct 25. pii: S0009-8981(13)00423-3. doi: 10.1016/j.cca.2013.10.014. [Epub ahead of print]

PMID:
24513324
7.

Proficiency testing/external quality assessment: current challenges and future directions.

Miller WG, Jones GR, Horowitz GL, Weykamp C.

Clin Chem. 2011 Dec;57(12):1670-80. doi: 10.1373/clinchem.2011.168641. Epub 2011 Sep 30. Review.

8.

Matrix effects and the accuracy of cholesterol analysis.

Ross JW, Myers GL, Gilmore BF, Cooper GR, Naito HR, Eckfeldt J.

Arch Pathol Lab Med. 1993 Apr;117(4):393-400.

PMID:
8466403
9.

Evaluation of the Bias of Serum Magnesium Measurements and the Commutability of Processed Materials.

Ge M, Zhao H, Yan Y, Zhang T, Zeng J, Wang Y, Meng Q, Zhang C.

Clin Lab. 2016;62(5):921-30.

PMID:
27349020
10.

Development of melamine certified reference material in milk using two different isotope dilution mass spectrometry techniques.

Hon PY, Chu PW, Cheng CH, Lee TC, Chan PK, Cheung ST, Wong YC.

J Chromatogr A. 2011 Sep 28;1218(39):6907-13. doi: 10.1016/j.chroma.2011.08.021. Epub 2011 Aug 16.

PMID:
21872867
11.

Laboratory standardization of a large international clinical trial: the DAIS experience. DAIS Project Group. Diabetes Atherosclerosis Intervention Study.

McGuinness C, Seccombe DW, Frohlich JJ, Ehnholm C, Sundvall J, Steiner G.

Clin Biochem. 2000 Feb;33(1):15-24.

PMID:
10693982
13.

LEGO plot for simultaneous application of multiple quality requirements during trueness verification of quantitative laboratory tests.

Park HI, Chae H, Kim M, Lee J, Kim Y.

J Clin Lab Anal. 2014 Mar;28(2):147-56. doi: 10.1002/jcla.21659. Epub 2014 Jan 6.

PMID:
24395762
15.

Determination of reference method values by isotope dilution-gas chromatography/mass spectrometry: a five years' experience of two European Reference Laboratories.

Thienpont LM, Van Nieuwenhove B, Stöckl D, Reinauer H, De Leenheer AP.

Eur J Clin Chem Clin Biochem. 1996 Oct;34(10):853-60.

PMID:
8933112
16.
17.

Matrix effects on proficiency testing materials. Impact on accuracy of cholesterol measurement in laboratories in the nation's largest hospital system.

Naito HK, Kwak YS, Hartfiel JL, Park JK, Travers EM, Myers GL, Ross JW, Eckfeldt JH, Hartmann AE.

Arch Pathol Lab Med. 1993 Apr;117(4):345-51.

PMID:
8466396
18.
19.

Homogeneity and stability of a candidate certified reference material for the determination of methamphetamine and amphetamine in hair.

Lee S, Miyaguchi H, Han E, Kim E, Park Y, Choi H, Chung H, Oh SM, Chung KH.

J Pharm Biomed Anal. 2010 Dec 1;53(4):1037-41. doi: 10.1016/j.jpba.2010.06.023. Epub 2010 Jun 30.

PMID:
20643525
20.

Measurements for 8 common analytes in native sera identify inadequate standardization among 6 routine laboratory assays.

Stepman HC, Tiikkainen U, Stöckl D, Vesper HW, Edwards SH, Laitinen H, Pelanti J, Thienpont LM; Participating Laboratories.

Clin Chem. 2014 Jun;60(6):855-63. doi: 10.1373/clinchem.2013.220376. Epub 2014 Mar 31.

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