Fig. 4From: Incomplete lung recovery following sub-acute inhalation of combustion-derived ultrafine particles in micePathology evaluation of the lungs confirms that the mild neutrophilic inflammation is caused by 21 days of exposure to BDS. a, c, d specific type of inflammation present in the lungs; (b) epithelial damage observed in the lungs. 5–8 mice per group. Scoring: 0 = none; 1 = mild; 2 = moderate; 3 = severeBack to article page