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Cardoso KM, Diaz NC, Guimarães MA, Zalis MG, Delbue S, Ferrante P, Varella RB.Cardoso KM, et al. Among authors: varella rb.J Med Virol. 2015 Aug;87(8):1418-26. doi: 10.1002/jmv.24192. Epub 2015 Mar 16.J Med Virol. 2015.PMID: 25778462
da Costa Marques Borges LF, Zalis MG, Santoro-Lopes G, Varella RB.da Costa Marques Borges LF, et al. Among authors: varella rb.J Med Virol. 2019 Mar;91(3):518-521. doi: 10.1002/jmv.25354. Epub 2018 Nov 21.J Med Virol. 2019.PMID: 30381830