%0 Journal Article %A W. Yoon %A M.S. Park %A K.H. Cho %T Low-Dose Intra-Arterial Urokinase and Aggressive Mechanical Clot Disruption for Acute Ischemic Stroke after Failure of Intravenous Thrombolysis %D 2009 %R 10.3174/ajnr.A1746 %J American Journal of Neuroradiology %U https://www.ajnr.org/content/ajnr/early/2009/08/27/ajnr.A1746.full.pdf