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O'Neal WT, Efird JT, Nazarian S, Alonso A, Heckbert SR, Soliman EZ.O'Neal WT, et al.J Am Heart Assoc. 2014 Nov 17;3(6):e001270. doi: 10.1161/JAHA.114.001270.J Am Heart Assoc. 2014.PMID: 25404190Free PMC article.