These inhibitors are usually IgGs directed against the factor VIII procoagulant activity, which are quantified in Bethesda Units (BU) per ml of plasma using the modified Bethesda assay.
Estos inhibidores son habitualmente IgGs dirigidas contra la actividad procoagulante del factor VIII, que se cuantifican en unidades Bethesda (UB) por ml de plasma empleando el ensayo modificado Bethesda.