Effect of losartan (10 µM) (A, B) and enalapril (10 µM) (C, D) on the concentration-response curves to phenylephrine in endothelium-intact aortic segments from untreated (CT) and lead-treated rats (Pb⁺²).

<p>Densitometry analyses of the western blots for receptors AT₁ (E) and AT₂ (F) in aortas from untreated (CT) and lead-treated rats (Pb⁺²). Representative blots are also shown.*P<0.05 by Student's <i>t-</i>test. Number of animals used is indicated in parentheses.