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Cluster analysis of the PFGE data from 14 bovine Staphylococcus aureus ST 398 strains. On top of the dendrogram, the percentage similarity is indicated. Strains clusters are identified by Roman numerous (I, II, III). In column to the right, the Cfr9I gel picture, the sample code, the SCCmec, spa type and precise repeat content of spa are given.
