Effects of Hemoglobin (Hb) E and HbD Traits on Measurements of Glycated Hb (HbA1c) by 23 Methods von Little, Randie R, Rohlfing, Curt L, Hanson, Steve, Connolly, Shawn, Higgins, Trefor, Weykamp, Cas W, D'Costa, Mario, Luzzi, Veronica, Owen, William E, Roberts, William L

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Commentary on Inconsistent Hb A1c Results Observed after Implementing a New Method von Weykamp, Cas W, Siebelder, Carla W

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Global standardization of glycated hemoglobin measurement: the position of the IFCC Working Group von Mosca, International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) IFCC Scientific Division, Working Group on Standardization of HbA1c (WG-HbA1c): Andrea, Goodall, Ian, Hoshino, Tadao, Jeppsson, Jan O., John, W. Garry, Little, Randie R., Miedema, Kor, Myers, Gary L., Reinauer, Hans, Sacks, David B., W. Weykamp, Cas

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The analytical goals for hemoglobin A(1c) measurement in IFCC units and National Glycohemoglobin Standardization Program Units are different von Weykamp, Cas W, Mosca, Andrea, Gillery, Philippe, Panteghini, Mauro

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Prime Time for Enzymatic Creatinine Methods in Pediatrics von Cobbaert, Christa M, Baadenhuijsen, Henk, Weykamp, Cas W

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Allergy: Evaluation of 16 years (2007–2022) results of the shared external quality assessment program in Belgium, Finland, Portugal and The Netherlands von Heron, Michiel, Schreurs, Marco W.J., Haagen, Inez-Anne, China, Bernard, Faria, Ana Paula, Vanhanen, Anna-Riitta, Thelen, Marc, Weykamp, Cas W.

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Toward Worldwide Hepcidin Assay Harmonization: Identification of a Commutable Secondary Reference Material von van der Vorm, Lisa N, Hendriks, Jan C M, Laarakkers, Coby M, Klaver, Siem, Armitage, Andrew E, Bamberg, Alison, Geurts-Moespot, Anneke J, Girelli, Domenico, Herkert, Matthias, Itkonen, Outi, Konrad, Robert J, Tomosugi, Naohisa, Westerman, Mark, Bansal, Sukhvinder S, Campostrini, Natascia, Drakesmith, Hal, Fillet, Marianne, Olbina, Gordana, Pasricha, Sant-Rayn, Pitts, Kelly R, Sloan, John H, Tagliaro, Franco, Weykamp, Cas W, Swinkels, Dorine W

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Optimizing hepcidin measurement with a proficiency test framework and standardization improvement von Aune, Ellis T., Diepeveen, Laura E., Laarakkers, Coby M., Klaver, Siem, Armitage, Andrew E., Bansal, Sukhvinder, Chen, Michael, Fillet, Marianne, Han, Huiling, Herkert, Matthias, Itkonen, Outi, van de Kerkhof, Daan, Krygier, Aleksandra, Lefebvre, Thibaud, Neyer, Peter, Rieke, Markus, Tomosugi, Naohisa, Weykamp, Cas W., Swinkels, Dorine W.

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Performance of laboratory tests used to measure blood phenylalanine for the monitoring of patients with phenylketonuria von Moat, Stuart J., Schulenburg‐Brand, Danja, Lemonde, Hugh, Bonham, James R., Weykamp, Cas W., Mei, Joanne V., Shortland, Graham S., Carling, Rachel S.

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Evaluation of the ARKRAY HA-8190V instrument for HbA 1c von van der Hagen, Eline A E, Leppink, Sanne, Bokkers, Karin, Siebelder, Carla, Weykamp, Cas W

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Evaluation of the ARKRAY HA-8190V instrument for HbA1c von van der Hagen, Eline A.E., Leppink, Sanne, Bokkers, Karin, Siebelder, Carla, Weykamp, Cas W.

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Provisional standardization of hepcidin assays: creating a traceability chain with a primary reference material, candidate reference method and a commutable secondary reference mat... von Diepeveen, Laura E., Laarakkers, Coby M.M., Martos, Gustavo, Pawlak, Marta E., Uğuz, Fatih F., Verberne, Kim E.S.A., van Swelm, Rachel P.L., Klaver, Siem, de Haan, Anton F.J., Pitts, Kelly R., Bansal, Sukhvinder S., Abbas, Ioana M., Fillet, Marianne, Lefebvre, Thibaud, Geurts-Moespot, Anneke J., Girelli, Domenico, Castagna, Annalisa, Herkert, Matthias, Itkonen, Outi, Olbina, Gordana, Tomosugi, Naohisa, Westerman, Mark E., Delatour, Vincent, Weykamp, Cas W., Swinkels, Dorine W.

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Expressing analytical performance from multi-sample evaluation in laboratory EQA von Thelen, Marc H.M., Jansen, Rob T.P., Weykamp, Cas W., Steigstra, Herman, Meijer, Ron, Cobbaert, Christa M.

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Measurement of Hba(1C) in patients with chronic renal failure von Little, Randie R, Rohlfing, Curt L, Tennill, Alethea L, Hanson, Steven E, Connolly, Shawn, Higgins, Trefor, Wiedmeyer, Charles E, Weykamp, Cas W, Krause, Richard, Roberts, William

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Two novel haemoglobin variants that affect haemoglobin A1c measurement by ion-exchange chromatography von Bots, Michael, Stroobants, An K., Delzenne, Barend, Soeters, Maarten R., de Vries, Johan E., Weykamp, Cas W., Norg, Roelf J.C., Veldthuis, Martijn, Zwieten, Rob van

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Effects of hemoglobin C and S traits on glycohemoglobin measurements by eleven methods von ROBERTS, William L, SAFAR-POUR, Sekineh, DE, Barun K, ROHLFING, Curt L, WEYKAMP, Cas W, LITTLE, Randie R

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A multicenter comparison of whole blood vitamin B6 assays von van Zelst, Bertrand D., de Beer, Roseri J.A.C. Roelofsen, Neele, Marjolein, Kos, Snježana, Kema, Ido P., Tegelaers, Frans P.W., Cobbaert, Christa M., Weykamp, Cas W., de Jonge, Robert

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Quality Specifications for the Determination of Copper, Zinc, and Selenium in Human Serum or Plasma: Evaluation of an Approach Based on Biological and Analytical Variation von Arnaud, Josiane, Weber, Jean-Philippe, Weykamp, Cas W, Parsons, Patrick J, Angerer, Jurgen, Mairiaux, Eric, Mazarrasa, Olav, Valkonen, Sinikka, Menditto, Antonio, Patriarca, Marina, Taylor, Andrew

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Effects of 7 Hemoglobin Variants on the Measurement of Glycohemoglobin by 14 Analytical Methods von Lee, Seung-Tae, Weykamp, Cas W, Lee, Yong-Wha, Kim, Jong-Won, Ki, Chang-Seok

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Measurements of neonatal bilirubin and albumin concentrations: a need for improvement and quality control von van Imhoff, Deirdre E., Dijk, Peter H., Weykamp, Cas W., Cobbaert, Christa M., Hulzebos, Christian V.

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