A3 domain is essential for interaction of von Willebrand factor with collagen type III - Lankhof, H; Van Hoeij, M; Schiphorst, M E; Bracke, M; Wu, Y-P; Ijsseldijk, M JW; Vink, T; DeGroot, P HG; Sixma, J J (Thromb Haemost, 1996)