A Chromogenic Assay Allows Reliable Measurement of Factor VIII Levels in the Presence of Strong Lupus Anticoagulants - de Maistre, Emmanuel; Wahl, Denis; Perret-Guillaume, Christine; Regnault, Véronique; Clarac, Sabine; Briquel, Marie-Elisabeth; Andre, Elisabeth; Lecompte, Thomas (Thrombosis and Haemostasis, 1998)