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Bartlett A, Rela M, Heaton N.Bartlett A, et al.Am J Transplant. 2007 Jul;7(7):1689-91. doi: 10.1111/j.1600-6143.2007.01834.x. Epub 2007 May 26.Am J Transplant. 2007.PMID: 17532754Free article.