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Petter A, Heim K, Guger M, Ciresa-Kö Nig A, Christensen N, Sarcletti M, Wieland U, Pfister H, Zangerle R, Höpfl R.Petter A, et al.J Gen Virol. 2000 Mar;81(Pt 3):701-8. doi: 10.1099/0022-1317-81-3-701.J Gen Virol. 2000.PMID: 10675407