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. 2013 Dec 19;2(6):e000565. doi: 10.1161/JAHA.113.000565

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© 2013 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley Blackwell.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Figure 1. — Hematoxylin and eosin (H&E) and phosphotungstic acid–hematoxylin (PTAH) staining of cardiac tissues. Two sampling areas were microscopically selected from the left ventricular free wall of each infarcted heart: area I and area II. Area I contains distinctive contraction bands (left) and wavy fibers (right). Area II is surrounded by area I and shows minor irregularities such as fragmented myocardia. From each control, cardiac tissue was taken from the left ventricular free wall. Magnification ×400. Scale bar=50 μm.