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The heart rate-corrected QT (QTc) intervals (A and B) and the RR intervals (C and D) during the pretreatment and the treatment periods in AV-ablated isolated rabbit hearts in the first set of experiments. Values are mean ± SEM. *P < 0.05 versus DMSO; #P < 0.05 versus H2O; †P < 0.05 versus DOF1. For further details, see Figure 3. DMSO, dimethyl sulphoxide.
