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The effects of the pharmacological interventions on heart rate variability at 3 months (A), and 4 months (B), and the percentage of left ventricular fractional shortening (%LVFS) measured using echocardiography at 3 months (C), and 4 months (D) in iron-overloaded rats. *P < 0.05 vs. control, †P < 0.05 vs. HFe, ‡P < 0.05 vs. HFeDFP+NAC.
