AJNR -- Hathout et al. 24 (9): 1747 Figure 1

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FIG 1. Scatter plot and regression line for digital subtraction angiographic measurement of stenosis versus contrast-enhanced MR angiographic measurement of stenosis. r = 0.967. The slope is very nearly 1, and the intercept is nearly 0, showing excellent linearity. DSA, digital subtraction angiography; Gd-MRA, contrast-enhanced MR angiography.