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PFGE analysis of SmaI-digested chromosomal DNA from S. aureus isolates NCTC8325 (size standard; lane 1), classical EMRSA-15 (lane 2), and CRG1250 (lane 3). The resulting PFGE pattern was compared with known EMRSA strain types as described previously (19) using BioNumerics version 4.6 (Applied Maths, Sint-Martens-Latem, Belgium) with unweighted-pair group arithmetic averages and the Dice coefficient.
