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Scanning electron microscopy (SEM) image of USA300LAC infected implant of day 14 in vivo biofilm which was treated with 512 µm/mL gentamicin and rifampicin after vortex-sonication-vortex method. Although some residual tissues remained on the implant surface (A), only debris of fibrous matrix without live bacteria in it (B). White bars in A and B indicate 100 μm and 1 μm, respectively.
