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The structure was intact, with clear alveolar space, no congestion in alveolar wall. 6 h, 12 h, 24 h LPS group (C, D, E) show obvious inflammatory cell infiltration, alveolar hemorrhage and structural damage. 6 h, 12 h, 24 h LPS+GLA group (F, G, H) structural damage were significantly reduced. ( original magnification ×400).
