Von Willebrand disease type 2M “Vicenza” in Italian and German patients: identification of the first candidate mutation (G3864A; R1205H) in 8 families - Schneppenheim, R; Federici, AB; Bude, U; Castaman, G; Drewke, E; Krey, S; Mannucci, PM; Riesen, G; Rodeghiero, F; Zieger, B; Zimmermann, R (Thromb Haemost, 2000)