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Green HA, Peña A, Price CJ, Warburton EA, Pickard JD, Carpenter TA, Gillard JH.Green HA, et al. Among authors: gillard jh.Stroke. 2002 Jun;33(6):1517-21. doi: 10.1161/01.str.0000016973.80180.7b.Stroke. 2002.PMID: 12052984Clinical Trial.