Fig. 8. DNA migration (mm) in the lung tissues evaluated by Comet assay, in Wistar rats intratracheally instilled with either saline (control) or cerium oxide nanoparticles (CeO2 NPs) with or without cisplatin (CP) administration. Data are mean ± SEM. Saline (n=5), CeO2 NPs (n=4), CP+saline (n=5) and CP+ CeO2 NPs (n=6).