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Brocchi, E., G. Zhang, N. J. Knowles, G. Wilsden, J. W. McCauley, O. Marquardt, V. F. Ohlinger, och F. De Simone. Molecular Epidemiology of Recent Outbreaks of Swine Vesicular Disease: Two Genetically and Antigenically Distinct Variants in Europe, 1987-94. 1997.

Brocchi, E., et al. Molecular Epidemiology of Recent Outbreaks of Swine Vesicular Disease: Two Genetically and Antigenically Distinct Variants in Europe, 1987-94. 1997.