Fig. 5From: Crocin attenuates cigarette smoke-induced lung injury and cardiac dysfunction by anti-oxidative effects: the role of Nrf2 antioxidant system in preventing oxidative stressTotal cell count and classification in bronchoalveolar lavage fluid. **P < 0.01 and ***P < 0.001, vs. control, †P < 0.05, ††P < 0.01 and †††P < 0.001 vs. COPD. Data are expressed as the mean + SEM, n = 8. All the groups were statistically compared by ANOVA followed by Tukey’s multiple comparison. Data are expressed as the mean + SEM, n = 8Back to article page