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Le HV, Poole C, Brookhart MA, Schoenbach VJ, Beach KJ, Layton JB, Stürmer T.Le HV, et al. Among authors: sturmer t.BMC Med Res Methodol. 2013 Nov 19;13:142. doi: 10.1186/1471-2288-13-142.BMC Med Res Methodol. 2013.PMID: 24245772Free PMC article.