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Figure 4 Plot of percentage change in segment diameter versus control (vertical axis) ranked by decile from the most constricted to the most dilated (horizontal axis). Data for infusion of Ach 10–4M presented. Note that the most constricted segments improved after lipid lowering while those that dilated showed less dilation or mild constriction. See text for discussion. Ach = acetylcholine. Open square = prelipid-lowering; closed circle = postlipid-lowering.
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