Thrombus precursor protein, endogenous thrombin potential, von-Willebrand factor and activated factor VII in suspected deep vein thrombosis: is there a place for new parameters? - Bucek,R.A.; Reiter,M.; Quehenberger,P.; Weltermann,A.; Kyrle,P.A.; Minar,E. (Br J Haematol, 2003)