McDuffieF.C., SamsW.M., MaldanoJ.E.Hypocomplementemia with cutaneous vasculitis and arthritis: possible immune complex syndrome. Mayo Clin Proc1973; 48: 340–8
2.
BergR.E., KantorG.R., BergfeldW.F.Urticarial vasculitis. Int J Dermatol1988; 27: 468–505