Subendothelial 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 P M; de Groot, P h G; Nievelstein, P F E M; Sakariassen, K S; Sixma, J J (Arteriosclerosis, 1986)