1. Connective tissue diseases. Histopathology of the Skin;Lever,1990
2. Urticaria. An immunofluorescence and histopathology study;Synkowski;Arch Dermatol,1979
3. Histopathology of chronic urticaria;Stewart;Clin Rev Allergy Immunol,2002
4. Cholinergic urticaria shows neutrophilic inflammation;Winkelmann;Acta Derm Venereol,1985
5. Neutrophilic urticaria;Peters;Br J Dermatol,1985