RT Journal Article SR Electronic T1 Intra-Arterial Recanalization Techniques for Patients 80 Years or Older with Acute Ischemic Stroke: Pooled Analysis from 4 Prospective Studies JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1503 A1 A.I. Qureshi A1 M.F.K. Suri A1 A.L. Georgiadis A1 G. Vazquez A1 N.A. Janjua YR 2009 UL http://www.ajnr.org/content/early/2009/04/02/ajnr.A1503.abstract AB