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Scanning electron micrographs of PAO1 biofilm attached to porcine skin explants after negative pressure wound therapy (NPWT) with periodic instillation of saline, L‐solution or 10% PVP‐I. Left panel is 2500× magnification and right panel is 10 000× magnification of biopsies collected from directly under the central areas of the vacuum and instillation ports of the same piece of porcine skin treated with the listed instillation solutions.
