Figure 7From: Toxicity assessment of zinc oxide nanoparticles using sub-acute and sub-chronic murine inhalation modelsConcentration of selected cytokines/chemokines in BAL fluid of mice exposed sub-acutely (A) or sub-chronicly (B) to ZnO NPs. Data are expressed as mean ± SE; *p < 0.05, **p < 0.01 significantly different from shams.Back to article page