The chromogenic Bethesda assay and the Nijmegen‐Bethesda assay for factor VIII inhibitors in hemophilia A patients: Are they equivalent?

1Department of Medicine – Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands 2Department of Medicine and Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada 3Department of Medicine I, Medical University of Vienna, Vienna, Austria 4Karl Landsteiner Institute of Clinical Thrombosis Research, Vienna, Austria 5Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands

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