Methods Serum levels of SOD,MDA,Vit-C and Vit-E were mea sured by chemical chromometry in 99 CTD patients,and were compared with normal c ontrols.

• 方法本实验以化学比色法分别检测了99例CTD患者的血清SOD、MDA、维生素C、维生素E的浓度,与正常对照组进行了比较。