Click on image to view larger version.

Figure 1 Response to AI (10^–11M to 3 x 10^–6M) in arteries from patients with CHF in the presence of vehicle, enalaprilat, chymostatin or both chymostatin and enalaprilat. AI = angiotensin I; CHF = chronic heart failure; KPSS = Kreb’s solution with KCl substituted for NaCl on an equimolar basis.