Click on image to view larger version.

Figure 2 Response to AI (10^–11M to 3 x 10^–6M) in arteries from patients with CHD in the presence of vehicle, enalaprilat, chymostatin or both chymostatin and enalaprilat. AI = angiotensin I; CHD = coronary heart disease. KPSS = Kreb’s solution with KCl substituted for NaCl on an equimolar basis.