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Ku E, Johansen KL, Portale AA, Grimes B, Hsu CY.Ku E, et al. Among authors: johansen kl.BMC Nephrol. 2015 Jan 15;16:2. doi: 10.1186/1471-2369-16-2.BMC Nephrol. 2015.PMID: 25589150Free PMC article.