Porcine reproductive and respiratory syndrome viruses predominant in southeastern China from 2004 to 2007 were from a common source and underwent further divergence

Simple methods for estimating the numbers of synonymous and nonsynonymous nucleotide substitutions.

M Nei, T Gojobori · Molecular Biology and Evolution · 1986 · 5K citations · Full text

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Mystery swine disease in the Netherlands: The isolation of Lelystad virus

G. Wensvoort, C. Terpstra, J. M. A. Pol et al. · Veterinary Quarterly · 1991 · 1.4K citations · Full text

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Porcine Reproductive and Respiratory Syndrome Virus Comparison: Divergent Evolution on Two Continents

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