Figure 3From: Intratracheally administered titanium dioxide or carbon black nanoparticles do not aggravate elastase-induced pulmonary emphysema in rats Emphysema quantification. Emphysema quantification assessed by measurement of the alveolar mean chord length at D21, in presence of 100 μg (A) or 500 μg (B) NPs. *: p < 0.05 vs S-BSA. n = 4. Abbreviations are the same as in Figure1. Box plots show median and interquartile range (25th and 75th percentiles).Back to article page