Experiences and challenges for EQA providers in assessing the commutability of control materials in accuracy-based EQA programs by Laura Vierbaum, Patricia Kaiser, Michael Spannagl, Michael Spannagl, Folker Wenzel, Folker Wenzel, Mario Thevis, Ingo Schellenberg, Ingo Schellenberg

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A novel approach to laboratory assessment and reporting of platelet von Willebrand factor by Thorsten Kragh, Isabell Pekrul, Helmut W. Ott, Michael Spannagl, Patrick Möhnle

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Sensitive and specific assessment of recombinant von Willebrand factor in platelet function analyzer by Isabell Pekrul, Thorsten Kragh, Peter L Turecek, Aaron R Novack, Helmut W Ott, Michael Spannagl

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Oral Bruton tyrosine kinase inhibitors block activation of the platelet Fc receptor CD32a (FcγRIIA): a new option in HIT? by Luise Goldmann, Rundan Duan, Thorsten Kragh, Georg Wittmann, Christian Weber, Reinhard Lorenz, Philipp von Hundelshausen, Michael Spannagl, Wolfgang Siess

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Inhibitory phenotype of HBV-specific CD4+ T-cells is characterized by high PD-1 expression but absent coregulation of multiple inhibitory molecules. by Bijan Raziorrouh, Malte Heeg, Peter Kurktschiev, Winfried Schraut, Reinhart Zachoval, Clemens Wendtner, Martin Wächtler, Michael Spannagl, Gerald Denk, Axel Ulsenheimer, Bertram Bengsch, Hanspeter Pircher, Helmut M Diepolder, Norbert H Grüner, Maria-Christina Jung

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