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Abraham MR, Olson LJ, Joyner MJ, Turner ST, Beck KC, Johnson BD.Abraham MR, et al. Among authors: johnson bd.Circulation. 2002 Oct 1;106(14):1794-9. doi: 10.1161/01.cir.0000031735.86021.79.Circulation. 2002.PMID: 12356632Clinical Trial.