PT - JOURNAL ARTICLE AU - B. Wu AU - X. Wang AU - J. Guo AU - S. Xie AU - E.C. Wong AU - J. Zhang AU - X. Jiang AU - J. Fang TI - Collateral Circulation Imaging: MR Perfusion Territory Arterial Spin-Labeling at 3T AID - 10.3174/ajnr.A1259 DP - 2008 Sep 10 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/09/10/ajnr.A1259.short 4100 - http://www.ajnr.org/content/early/2008/09/10/ajnr.A1259.full