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Figure 1 Relationship between L-arginine (L-Arg) and asymmetric dimethylarginine (ADMA) in both normotensive subjects (NTs) (open circles) and hypertensive patients (HTs) (solid circles). In the whole population (r = 0.626; p < 0.0001) and in the HT group (r = 0.545; p < 0.001), the two covariates resulted linearly correlated; no relationship was found in the NT group.
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