Fig. 1From: The renal blood flow reserve in healthy humans and patients with atherosclerotic renovascular disease measured by positron emission tomography using [15O]H2OGrade of renal artery stenosis vs renal blood flow in unilateral RAS. ♦Grade of renal artery stenosis vs basal flow in unilateral RAS (r = 0.8, p = 0.04). Grade of renal artery stenosis vs stress flow in unilateral RAS (r = 0.8, p = 0.02)Back to article page