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Motsinger-Reif A, Brown C, Havener T, Hardison N, Peters E, Beam A, Everrit L, McLeod H.Motsinger-Reif A, et al.Proc Am Stat Assoc. 2011 Jul-Aug;2011:306-318.Proc Am Stat Assoc. 2011.PMID: 30627054Free PMC article.