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van der Zander K, Houben AJ, Webb DJ, Udo E, Kietselaer B, Hofstra L, De Mey JG, de Leeuw PW.van der Zander K, et al.Kidney Int. 2006 Mar;69(5):864-8. doi: 10.1038/sj.ki.5000215.Kidney Int. 2006.PMID: 16518347Free article.Clinical Trial.