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Effect of elastase treatment on the mechanical properties of arteries (elastin group). Comparison of the outer diameter (circles) and vessel length (triangles) of an artery plotted as functions of luminal pressure before (open) and after (solid) elastase treatment. Solid curves are the fitting results using the Fung 3D strain energy function. Bottom bar graph: comparison of opening angles of arteries [mean (SD), n = 5] before and after elastase treatment. *P < 0.05.
