Dental General 89953ad8 Epidermal Bullosa Acquisita is characterized by A Immunoglobulins against collagen 7 B IgA against BP2 C Immunoglobulins against BP2 D Immunoglobulins against Dsg-1 High-Yield Explanation Epidermal Bullosa Acquisita : Immunoglobulins against collagen 7 Epidermal Bullosa Dystrophica : absence of collagen 7