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El-Mitwalli A, Saad M, Christou I, Malkoff M, Alexandrov AV.El-Mitwalli A, et al. Among authors: christou i.Stroke. 2002 Jan;33(1):99-102. doi: 10.1161/hs0102.101892.Stroke. 2002.PMID: 11779896Clinical Trial.