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Khanna N, Steffen I, Studt JD, Schreiber A, Lehmann T, Weisser M, Flückiger U, Gratwohl A, Halter J, Hirsch HH.Khanna N, et al. Among authors: lehmann t.Transpl Infect Dis. 2009 Apr;11(2):100-5. doi: 10.1111/j.1399-3062.2008.00362.x. Epub 2009 Jan 20.Transpl Infect Dis. 2009.PMID: 19175540