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Nakash RA, Hutton JL, Jørstad-Stein EC, Gates S, Lamb SE.Nakash RA, et al. Among authors: hutton jl.BMC Med Res Methodol. 2006 Feb 23;6:5. doi: 10.1186/1471-2288-6-5.BMC Med Res Methodol. 2006.PMID: 16504090Free PMC article.Review.