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Shi C, Shenkar R, Du H, Duckworth E, Raja H, Batjer HH, Awad IA.Shi C, et al. Among authors: batjer hh.Stroke. 2009 May;40(5):1659-65. doi: 10.1161/STROKEAHA.108.538769. Epub 2009 Mar 12.Stroke. 2009.PMID: 19286587Free PMC article.