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Expression of S100A8 and CD68 expression in the dermis. Skin tissue section from the EM rash site of three individual LD patients and one control were subjected to immunostaining for S100A8 (green), CD68 (red) and nuclei staining with DAPI (blue) before being subjected to fluorescence microscopy at 20× magnification as in Fig. 1. Dotted lines separate the epidermis from the dermis and bar represents 50 μm.
