Objective To explore relationship between serum superoxide dismu tase(SOD),malondialdehyde(MDA),vitamin C(Vit-C),vitamin E (Vit-E) and connective tissue disease (CTD).

• 目的探讨血清超氧化物岐化酶(SOD)、丙二醛(MDA)、维生素C(Vit-C)、维生素E(Vit-E)浓度变化与结缔组织病(connectivetissuedisease,CTD)的关系。