Research Article

The Activation of Macrophage and Upregulation of CD40 Costimulatory Molecule in Lipopolysaccharide-Induced Acute Lung Injury

Figure 1

Histopathological examination. Three pictures of pathological sections showing (a) pathological appearance from control group, (b) pathological appearance from LPS group at 24 hours, and (c) pathological appearance from LPS group at 48 hours .
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(a)
852571.fig.001b
(b)
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(c)