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Plasma concentrations of angiotensin-(1–7) (a) and angiotensin II (Ang II) (b) in sham-operated control (open bars) and bile duct ligated (BDL) (filled bars) rats. Angiotensin peptide levels were determined by radioimmunoassay. Each bar represents the mean ± SEM concentration from 9 to 10 rats per treatment group. ∗∗∗∗P < 0.0005, ∗∗∗P < 0.001, ∗∗P < 0.01, BDL vs. sham.
