Cerroni L, Argenyi Z, Cerio R, Facchetti F, Kittler H, Kutzner H, Requena L, Sangueza OP, Smoller B, Wechsler J, Kerl H. Influence of evaluation of clinical pictures on the histopathologic diagnosis of inflammatory skin disorders. J Am Acad Dermatol. 2010 Oct; 63(4):647-52.