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Shah A, Moon-Grady A, Bhogal N, Collins KK, Tacy T, Brook M, Hornberger LK.Shah A, et al.Am J Cardiol. 2012 Jun 1;109(11):1614-8. doi: 10.1016/j.amjcard.2012.01.388. Epub 2012 Mar 22.Am J Cardiol. 2012.PMID: 22444730Free article.