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

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FIG 1. Variables in the poststenotic portion of the ICA plotted against the number of the collateral pathways. Asterisk indicates P < .005 versus patients with no collaterals; section symbol, P < .005 versus patients with one collateral; andnumber sign, P < .005 versus patients with two collaterals.

A, Poststenotic diameter.

B, Poststenotic blood flow.