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Figure 2 Electron micrographs of stented blood vessels from one control animal (Number 1) (A and B) and one abciximab-treated animal (Number 5) (C and D). An exuberant platelet aggregate is present in A; thin fibrin strands with a thicker layer of fibrin and platelet aggregates with an adherent neutrophil are present in B; in C and D a single layer of spread platelets (arrows) adhere directly to the damaged blood vessel wall. Original magnifications are x2,600 in A, x1,600 in B, x2,400 in C and x11,000 in D. IEL = internal elastic lamina.