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Morphometry of heart sections at 28 days post-injection. (a) Wall thicknesses of the infarcted free wall (LV scar) and uninjured septal wall (septum) of the left ventricle at 28 days. (b) Expansion index. Sections were taken from approximately 2 mm proximal to the apex and stained with H&E. Values shown are mean±SD. *p<0.05 versus saline. †p<0.05 versus saline+bFGF.
