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Löwik MM, Hol FA, Steenbergen EJ, Wetzels JF, van den Heuvel LP.Löwik MM, et al. Among authors: steenbergen ej.Nephrol Dial Transplant. 2005 Feb;20(2):336-41. doi: 10.1093/ndt/gfh546. Epub 2004 Dec 7.Nephrol Dial Transplant. 2005.PMID: 15585516