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Yergens DW, Dutton DJ, Patten SB.Yergens DW, et al. Among authors: dutton dj.BMC Med Res Methodol. 2014 Jan 25;14:15. doi: 10.1186/1471-2288-14-15.BMC Med Res Methodol. 2014.PMID: 24460595Free PMC article.
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