Fig. 8From: Crocin attenuates cigarette smoke-induced lung injury and cardiac dysfunction by anti-oxidative effects: the role of Nrf2 antioxidant system in preventing oxidative stressRepresentative Hematoxylin and Eosin (H&E) staining of lung tissue in Control, COPD and COPD plus crocin (CO + CR) rats. Scale bar = 200 μmBack to article page