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Effect of 8 mmol KNO3 vs. KCl (n = 20) on A, systolic blood pressure (SBP), B, diastolic blood pressure (DBP), C, pulse pressure (PP) and D, heart rate (HR). Data expressed as mean ± SEM. Significance shown as: †††P < 0.001 on ANOVA. OGTT: oral glucose tolerance test
