Fig. 10From: Spontaneous autoimmune subepidermal blistering diseases in animals: a comprehensive reviewAnti-collagen VII autoantibodies and a sub-lamina densa split in epidermolysis bullosa acquisita: A PAS or collagen IV immunohistochemical staining in this case will be on the roof of the biopsied blister (right upper corner insert). Artist: Alice HarveyBack to article page