Results of the first pilot external quality assessment (EQA) scheme for anti-SARS-CoV2-antibody testing von Haselmann, Verena, Özçürümez, Mustafa K., Klawonn, Frank, Ast, Volker, Gerhards, Catharina, Eichner, Romy, Costina, Victor, Dobler, Gerhard, Geilenkeuser, Wolf-Jochen, Wölfel, Roman, Neumaier, Michael

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External quality assessment providers’ services appear to more impact the immunohaematology performance of laboratories than national regulatory and economic conditions von Buchta, Christoph, Coucke, Wim, Huf, Wolfgang, Griesmacher, Andrea, Müller, Mathias M., Mayr, Wolfgang R., Flesland, Øystein, Politis, Constantina, Wiersum-Osselton, Johanna, Aburto, Andrés, Badrick, Tony, Bouacida, Lobna, Budina, Marek, Duenas, Joseph A., Geilenkeuser, Wolf-Jochen, Guimarães, André V.P., Hecimovic, Ana, Jutzi, Markus, Lee, Chang-Keun, Lim, Young Ae, Mammen, Joy, Molnár, Petra Magdolna, Mokhtari, Azita, Morabito, Giuseppa, Muñiz-Diaz, Eduardo, Niekerk, Truscha, Pakkanen, Anja, Pezzati, Paola, Popa, Razvan, Sárkány, Erika, Siest, Jean-Pascal, Suvagandha, Dhitiwass, Thelen, Marc, Ullhagen, Jenny, Vitkus, Dalius, Körmöczi, Günther F.

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Emerging Pathogens - How Safe is Blood? von Schmidt, Michael, Geilenkeuser, Wolf-Jochen, Sireis, Walid, Seifried, Erhard, Hourfar, Kai

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Cell analysis in cerebrospinal fluid (CSF) using Sysmex® hematology analyzers XT‐4000i and XE‐5000: Evaluation with CSF controls of the Joint German Society for Clinical Chemistry... von Kleine, Tilmann O., Nebe, Carl Thomas, Löwer, Christa, Geilenkeuser, Wolf‐Jochen, Dorn‐Beineke, Alexandra

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Assessing the Quality of Serological Testing in the COVID-19 Pandemic: Results of a European External Quality Assessment (EQA) Scheme for Anti-SARS-CoV-2 Antibody Detection von Ast, Volker, Costina, Victor, Eichner, Romy, Bode, Anna, Aida, Sihem, Gerhards, Catharina, Thiaucourt, Margot, Dobler, Gerhard, Geilenkeuser, Wolf-Jochen, Wölfel, Roman, Neumaier, Michael, Haselmann, Verena

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Quality control in urinary stone analysis: results of 44 ring trials (1980–2001) von Hesse, Albrecht, Kruse, Rolf, Geilenkeuser, Wolf-Jochen, Schmidt, Matthias

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EQUAL-quant: An International External Quality Assessment Scheme for Real-Time PCR von Ramsden, Simon C, Daly, Sarah, Geilenkeuser, Wolf-Jochen, Duncan, Graeme, Hermitte, Fabienne, Marubini, Ettore, Neumaier, Michael, Orlando, Claudio, Palicka, Vladimir, Paradiso, Angelo, Pazzagli, Mario, Pizzamiglio, Sara, Verderio, Paolo

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Methodologic European External Quality Assurance for DNA Sequencing: The EQUALseq Program von Ahmad-Nejad, Parviz, Dorn-Beineke, Alexandra, Pfeiffer, Ulrike, Brade, Joachim, Geilenkeuser, Wolf-Jochen, Ramsden, Simon, Pazzagli, Mario, Neumaier, Michael

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Modifications of haematology analyzers to improve cell counting and leukocyte differentiating in cerebrospinal fluid controls of the Joint German Society for Clinical Chemistry and... von Kleine, Tilmann O, Nebe, C. Thomas, Löwer, Christa, Lehmitz, Reinhard, Kruse, Rolf, Geilenkeuser, Wolf-Jochen, Dorn-Beineke, Alexandra

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Bench Test for the Detection of Bacterial Contamination in Platelet Concentrates Using Rapid and Cultural Detection Methods with a Standardized Proficiency Panel von Vollmer, Tanja, Knabbe, Cornelius, Geilenkeuser, Wolf-Jochen, Schmidt, Michael, Dreier, Jens

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Evaluation of cell counting and leukocyte differentiation in cerebrospinal fluid controls using hematology analyzers by the German Society for Clinical Chemistry and Laboratory Med... von Kleine, Tilmann O., Nebe, C. Thomas, Löwer, Christa, Lehmitz, Reinhard, Geilenkeuser, Wolf-Jochen, Kruse, Rolf, Dorn-Beineke, Alexandra

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The new RiliBAEK- Remarks by the “Referenzinstitut für Bioanalytik” (RfB) von Kruse, Rolf, Geilenkeuser, Wolf-Jochen

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External Quality Assessment of Molecular Biology-Based Methods Used in Laboratories of Clinical Chemistry and Human Genetics von Braun, Andreas, Deufel, Thomas, Geilenkeuser, Wolf-Jochen, Neumaier, Michael, Röhle, Gerhard, Roscher, Adelbert, Wagener, Christoph

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Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA) von Buchta, Christoph, Marrington, Rachel, De la Salle, Barbara, Albarède, Stéphanie, Badrick, Tony, Bietenbeck, Andreas, Bullock, David, Cadamuro, Janne, Delatour, Vincent, Dusinovic, Enes, Geilenkeuser, Wolf-Jochen, Gidske, Gro, Griesmacher, Andrea, Haliassos, Alexander, Holzhauser, Derek, Huggett, Jim F, Karathanos, Serafeim, Pezzati, Paola, Sandberg, Sverre, Sarkar, Aditi, Solsvik, Anne Elisabeth, Spannagl, Michael, Thelen, Marc, Restelli, Veronica, Perrone, Lucy A

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Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA) von Buchta, Christoph, Marrington, Rachel, De la Salle, Barbara, Albarède, Stéphanie, Badrick, Tony, Berghäll, Heidi, Bullock, David, Coucke, Wim, Delatour, Vincent, Geilenkeuser, Wolf-Jochen, Griesmacher, Andrea, Henriksen, Gitte M, Huggett, Jim F, Luppa, Peter B, Pelanti, Jonna, Pezzati, Paola, Sandberg, Sverre, Spannagl, Michael, Thelen, Marc, Restelli, Veronica, Perrone, Lucy A

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Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA) von Buchta, Christoph, Marrington, Rachel, De la Salle, Barbara, Albarède, Stéphanie, Albe, Xavier, Badrick, Tony, Berghäll, Heidi, Bullock, David, Cobbaert, Christa M, Coucke, Wim, Delatour, Vincent, Geilenkeuser, Wolf-Jochen, Griesmacher, Andrea, Henriksen, Gitte M, Huggett, Jim F, Juhos, István, Kammel, Martin, Luppa, Peter B, Meijer, Piet, Pelanti, Jonna, Pezzati, Paola, Sandberg, Sverre, Spannagl, Michael, Thelen, Marc, Thomas, Annette, Zeichhardt, Heinz, Restelli, Veronica, Perrone, Lucy A

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Behind the scenes of EQA-characteristics, capabilities, benefits and assets of external quality assessment (EQA) von Buchta, Christoph, De la Salle, Barbara, Marrington, Rachel, Albarède, Stéphanie, Badrick, Tony, Bicker, Wolfgang, Bietenbeck, Andreas, Bullock, David, Delatour, Vincent, Dequeker, Elisabeth, Flasch, Mira, Geilenkeuser, Wolf-Jochen, van Hellemond, Jaap, Huggett, Jim F, Ianovska, Viktoriia, Kaiser, Patricia, Kammel, Martin, Kessler, Anja, Laudus, Nele, Luppa, Peter B, Morandi, Pierre-Alain, O'Connor, Gavin, Panteghini, Mauro, Pezzati, Paola, Rosendahl, Jennifer, Sandberg, Sverre, Scheiblauer, Heinrich, Skitek, Milan, Spannagl, Michael, Stavelin, Anne, Thelen, Marc, Unterberger, Ursula, Zeichhardt, Heinz, Restelli, Veronica, Perrone, Lucy A

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Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA) von Buchta, Christoph, De la Salle, Barbara, Marrington, Rachel, Aburto Almonacid, Andrés, Albarède, Stéphanie, Badrick, Tony, Bullock, David, Cobbaert, Christa M, Coucke, Wim, Delatour, Vincent, Faria, Ana Paula, Geilenkeuser, Wolf-Jochen, Griesmacher, Andrea, Huggett, Jim F, Ianovska, Viktoriia, Kammel, Martin, Kessler, Anja, Körmöczi, Günther F, Meijer, Piet, Miranda, Armandina, Patel, Dina, Pezzati, Paola, Sandberg, Sverre, Schennach, Harald, Schweiger, Christian R, Schwenoha, Karin, Spannagl, Michael, Sung, Heungsup, Thelen, Marc, Weykamp, Cas, Zeichhardt, Heinz, Restelli, Veronica, Perrone, Lucy A

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International descriptive and interventional survey for oxycholesterol determination by gas- and liquid-chromatographic methods von Lütjohann, Dieter, Björkhem, Ingemar, Friedrichs, Silvia, Kerksiek, Anja, Geilenkeuser, Wolf-Jochen, Lövgren-Sandblom, Anita, Ansorena, Diana, Astiasarán, Iciar, Baila-Rueda, Lucía, Barriuso, Blanca, Bretillon, Lionell, Browne, Richard W., Caccia, Claudio, Cenarro, Ana, Crick, Peter J., Fauler, Günter, García-Llatas, Guadalupe, Griffiths, William J., Iuliano, Luigi, Lagarda, María Jésus, Leoni, Valerio, Lottenberg, Ana Maria, Matysik, Silke, McDonald, Jeff, Rideout, Todd C., Schmitz, Gerd, Nunes, Valéria Sutti, Wang, Yuqin, Zerbinati, Chiara, Diczfalusy, Ulf, Schött, Hans-Frieder

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External Quality Assessment Scheme for reference laboratories – review of 8 years’ experience von Kessler, Anja, Siekmann, Lothar, Weykamp, Cas, Geilenkeuser, Wolf Jochen, Dreazen, Orna, Middle, Jonathan, Schumann, Gerhard

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