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Diagnostic methods in DH: A. Skin histopathology showing subepidermal blister with neutrophilic infiltrate in the papillary dermis; B. Direct immunofluorescence of skin fragment showing IgA deposits along the dermoepidermal junction and on top of the dermal papillae. The image is a courtesy from Dr. Carlos Floriano de Moraes; B The image is a courtesy A B from Dr. Valeria Aoki
