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Figure 2 Urinary sodium excretion (UNaV), distal tubular fractional reabsorption of sodium (DFNaR), glomerular filtration rate (GFR), and renal blood flow (RBF) at baseline (open bars), with intra-renal Dendroaspis natriuretic peptide (DNP) infusion alone (hatched bars) and 30, 60, 90, and 120 min after intravenous bolus administration of HS-142-1 (HS) (solid bars) in addition to continuous intra-renal infusion of DNP. *p < 0.05 versus baseline; p < 0.05 versus intra-renal DNP alone.