Fig. 4From: Particle characterization and toxicity in C57BL/6 mice following instillation of five different diesel exhaust particles designed to differ in physicochemical propertiesCell counts of broncho-alveolar lavage of mice day 90 post-exposure to 54 μg DEP9.7, DEP13, DEP17, HVO13 and RME13; a) Neutrophils, b) Lymphocytes, c) Macrophages, d) Eosinophils. * = p < 0.05. ** = p < 0.01, *** = p < 0.001, **** = p < 0.0001Back to article page