1Hamdan JM,Barqawi MA.Henoch-Schonlein purpura in chil-dren:influence of age on the incidence of nephritis and arthritis[J].Saudi Med J,2008,29(4):549-552.
2GARDNER MEDW I N J M,DOLEZALOVA P,CUMM I NS C,et al.Incidence of Henoch-Schonlein purpura,Kawasaki disease,and rarevasculitides in children of different ethnic origins[J].Lancet,2002,360:1197-1202.
3Tarshish P,Bernstein J,Edelmann CM,et al.Heoch-Sch?nleinpurpura nephritis:course of disease and efficacy of cyclophos-pha-mide[J].Pediatr Nephrol,2004,11(19):51-56.
4SAULS BURY FT.Epidemiol ogy of Henoch-Schonlein purpura[J].Cleve Clin J Med,2002,69(supp l 2):S1187-S1189.