Subendothelian proteins and platelet adhesion: von Willebrand Factor and fibronectin not thrombospondin are involved in platelet adhesion to extracellular matrix of human vascular endothelial cells - Houdijk, W PM; de, Groot PG; Nievelstein, F EM; Sakariassen, K S; Sixma, J J (Arteriosclerosis, 1986)