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Thorsteinsdottir B, Swetz KM, Feely MA, Mueller PS, Williams AW.Thorsteinsdottir B, et al. Among authors: williams aw.Mayo Clin Proc. 2012 Jun;87(6):514-6. doi: 10.1016/j.mayocp.2012.02.016.Mayo Clin Proc. 2012.PMID: 22677071Free PMC article.No abstract available.