AJNR -- Kamouchi et al. 26 (1): 76 Figure 3

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FIG 3. Baseline and postacetazolamide asymmetry index in the MCA territory plotted against poststenotic blood flow. Group I indicates patients with flow <5 mL/s; Group II, patients with flow $≥$ 5 mL/s; asterisk, P < .005; and section symbol, P < .01 versus group II.

A, Before acetazolamide.

B, After acetazolamide.