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. 2013 Dec 19;2(6):e000246. doi: 10.1161/JAHA.113.000246

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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 8. — Identification of the right and left bundle branches and Purkinje fibres. Double labeling of Cx40 (green signal) and caveolin3 (red signal) proteins in long‐axis sections at 5.25 to 6.45 mm (from the back to the front of the heart) is shown. Same heart as shown in Figure 5. IVS indicates interventricular septum; LA, left atrium; LBB, left bundle branch; LV, left ventricle; RA, right atrium; RBB, right bundle branch; RV, right ventricle.