Figure 2

Tumor necrosis factor-α concentration in lung of animals under different treatment conditions. Each value represents the mean ± SD of 3 replicates. a: Significant difference from Control P = 0.005 and 0.01 respectively. b: Significant difference from Irradiation group (IR) P = 0.01, 0.005, 0.005, 0.025 and 0.025. c: Significant difference from BL group (BL) P = 0.005, 0.0005, 0.005, 0.0005, 0.005 and 0.005 respectively.