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Table 4 Summary of significant histopathological findings after CeO2 and BaSO4 exposure

From: Effects from a 90-day inhalation toxicity study with cerium oxide and barium sulfate nanoparticles in rats

  1. BALT = bronchus-associated lymphoid tissue; NALT = nasal mucosa-associated lymphoid tissue; Values are presented as mean grade of severity: 0 = none, 1 = very slight, 2 = slight, 3 = moderate, 4 = severe (color gradient from green to red indicates increasing severity); n = 9-10; * p < 0.05, ** p < 0.01, *** p < 0.001 vs. clean air control; Group Factor Chi-Squared and Fisher's Exact two sided/Pearson two sided