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Photographs showing representative cast formation in trachea and bronchi in control animals at 24 h (A), cast formation in bronchia in control animals (B) and cast formation in trachea and bronchi in sclerosis animals at 24 h (C). Burn and smoke inhalation injury causes cast formation in airway (A, B). However, bronchial artery reduced the cast formation in bronchi (white circle) but not in trachea (C).
