Fig. 3
From: Therapeutic effects of melatonin on the lungs of rats exposed to passive smoking
Melatonin alleviates oxidative stress induced by passive smoking in rat lung. A: Total antioxidant capacity; B: Tumor necrosis factor alpha (TNF-α); C: Interleukin 6 (IL-6). D: Interleukin 1 beta (IL-1β). Different letters on the column indicate significant differences (P < 0.05) between treatment groups. Statistical significance was assessed using analysis of variance (ANOVA) followed by a multiple comparison test with Dunnett adjustment