Research Article

[Retracted] Cardiac Contractility Modulation Attenuates Chronic Heart Failure in a Rabbit Model via the PI3K/AKT Pathway

Figure 1

Effects of cardiac contractility modulation (CCM) on myocardial histological changes (a) and (b) microphotography (400x) of myocardial samples from experimental rabbits. (c) Collagen volume fraction of rabbit myocardial tissues with different treatments. HF, heart failure. Different letters above each boxplot showed the significant differences at .
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