Matarredona J, Sendagorta E, Rocamora A, Orofino L, Ledo A
Int J Dermatol. 1986 Sep;25(7):446-8. doi: 10.1111/j.1365-4362.1986.tb03450.x.
A patient with systemic lupus erythematosus presented with clinical and histologic feature of urticarial vasculitis, a systemic immune disorder of unknown origin. This could represent a subset of collagen vascular disease.