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Figure 2 Vasoconstrictor action of arterial blood (AB, open triangles/closed triangles) taken distal to the lesion and aspirate plasma (AS, open squares/closed squares) on rat mesenteric arteries with intact (open symbols = +E) and denuded endothelium (filled symbols = –E). Values are mean ± SEM of five patients. *p < 0.05 vs. AS–E; #p < 0.05 vs. AS+E with Bonferroni correction for six comparisons.