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Figure 3 Effect of angiotensin-converting enzyme inhibition with enalapril and beta-blockade with carvedilol on left ventricular ejection fraction (13,16). ANZ = Australia/New Zealand Collaborative Group Study; LV = left ventricular dysfunction; SOLVD = Studies of Left Ventricular Dysfunction. Solid circle = ANZ substudy (placebo); Open circle = ANZ substudy (carvedilol); solid square = SOLVD substudy (enalapril); Open square = SOLVD substudy (placebo).