Angiotensin-converting enzyme inhibition with quinapril improves endothelial vasomotor dysfunction in patients with coronary artery disease. The TREND (Trial on Reversing ENdothelial Dysfunction) Study [see comments] [published erratum appears in Circulation 1996; 94 (6): 1490]. - Mancini,GB.; Henry,GC.; Macaya,C. (Circulation, 1996)