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. 2014 Jan 5;13:4. doi: 10.1186/1475-2840-13-4

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Copyright © 2014 Han et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Peak work, peak total efficiency, optimal afterloads and peak afterloads. Quantification of the average relations shown in Figure 4B and F: peak work (A), peak total efficiency (ε_Total; B), the optimal afterload (AL) for work (C) and for ε_Total(D) and the peak afterload for work (E) and for ε_Total(F). Values represent the mean ± SE of n = 17 SHAM hearts and n = 16 STZ hearts. *P < 0.05, STZ versus SHAM; ⁺P < 0.05, optimal AF for work versus that for ε_Total.