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Mathiesen ER, Ringholm L, Feldt-Rasmussen B, Clausen P, Damm P.Mathiesen ER, et al. Among authors: clausen p.Clin J Am Soc Nephrol. 2012 Dec;7(12):2081-8. doi: 10.2215/CJN.00920112. Epub 2012 Aug 23.Clin J Am Soc Nephrol. 2012.PMID: 22917698Review.