Figure 1From: Mechanistic implications for the use and monitoring of recombinant activated factor VII in traumaA cell-based model of coagulation. The three phases of coagulation occur on different cell surfaces: initiation on the tissue factor bearing cell; amplification on the platelet as it becomes activated; and propagation on the activated platelet surface. vWF, von Willebrand factor. Reproduced with permission from Hoffman and Monroe [11].Back to article page