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Peterson ED, Shah BR, Parsons L, Pollack CV Jr, French WJ, Canto JG, Gibson CM, Rogers WJ.Peterson ED, et al.Am Heart J. 2008 Dec;156(6):1045-55. doi: 10.1016/j.ahj.2008.07.028. Epub 2008 Nov 1.Am Heart J. 2008.PMID: 19032998