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Litjens RJ, Theelen W, van de Pas Y, Ossel J, Reijans M, Simons G, Speel EJ, Slangen BF, Ramaekers FC, Kruitwagen RF, Hopman AH.Litjens RJ, et al.J Med Virol. 2013 Aug;85(8):1386-93. doi: 10.1002/jmv.23629.J Med Virol. 2013.PMID: 23765775