Please click here to obtain permission to reproduce this image.
Click on image to view larger version.

Figure 1 Study protocols. BL = baseline; DOB = dobutamine; IC = intracoronary; ISDN = isosorbide dinitrate; IV = intravenous; Phento = phentolamine; QCA = quantitative coronary angiography; REC = recovery period; SAL = saline.
|