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Daniels LB, Barrett-Connor E, Clopton P, Laughlin GA, Ix JH, Maisel AS.Daniels LB, et al. Among authors: clopton p.J Am Coll Cardiol. 2012 Mar 20;59(12):1101-9. doi: 10.1016/j.jacc.2011.11.046.J Am Coll Cardiol. 2012.PMID: 22421304Free PMC article.