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Vasodilator effects of Ang II, ACh, NG or BK obtained before (control responses) and after treatment with captopril in vessels treated with losartan (30 μM). Ordinate: vasodilation (%), expressed as a percentage decrease of the vasoconstriction induced by NE. Abscissa: doses of Ang II, ACh, NG or BK. Each bar is presented as mean±s.e.m. n=6 rats/group. *Significantly different from the corresponding control group (P<0.05).
