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. 2015 Dec 23;14:55. doi: 10.1186/s12941-015-0114-0

Fig. 2.

Fig. 2

A Minimum Spanning Tree of C. difficile ribotype 176 isolates (Bionumerics v5.0, Applied Maths). The numbers in the circles represent C. difficile PCR-ribotype 176 isolate number. The numbers in the lines represent the sum of tandem repeat differences between isolates