Thoracic trauma study: rib markings on the lung due to impact are marks of collapse alveoli, not hemorrhage.
D000818:Animals; D008168:Lung / Q000473:pathology; D055370:Lung Injury; D001261:Pulmonary Atelectasis / Q000473:pathology*; D011817:Rabbits; D012272:Ribs / Q000293:injuries*