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Rodríguez-Cerezo E, Moya A, García-Arenal F.Rodríguez-Cerezo E, et al.J Virol. 1989 May;63(5):2198-203. doi: 10.1128/JVI.63.5.2198-2203.1989.J Virol. 1989.PMID: 2704076Free PMC article.
Moriones E, Roossinck MJ, García-Arenal F.Moriones E, et al.J Gen Virol. 1991 Apr;72 ( Pt 4):779-83. doi: 10.1099/0022-1317-72-4-779.J Gen Virol. 1991.PMID: 2016592