Methods The activity of SOD in blood was measured at 1,3,10 days after injury,using the pyrogallol assay in 42 cases.

• 方法采用邻苯三酚自氧化抑制法测定了42例颅脑损伤患者伤后1、3、10天血液超氧化物歧化酶(SOD)含量。