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Khawar O, Kalantar-Zadeh K, Lo WK, Johnson D, Mehrotra R.Khawar O, et al. Among authors: mehrotra r.Clin J Am Soc Nephrol. 2007 Nov;2(6):1317-28. doi: 10.2215/CJN.02550607. Epub 2007 Oct 17.Clin J Am Soc Nephrol. 2007.PMID: 17942769Free article.Review.