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Fragments of left (left column) and right (right column) lobes of the lung of male ICR mice in the DAD model on day 60 of the follow-up: moderate perivascular and peribronchial fibrotic changes (A), and widening of the alveolar walls in the left lobe (C) as compared to intact lobes of the right lung (B, D). Mallory staining. Magnification: 100x (A, B) and 200x (C, D)
