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The histopathological examination of the lung tissue based on inflammation scores 12 hr after CLP. Metformin was administrated 2 hr after completion of the CLP surgery (50 and 100 mg/kg, IP). Data are expressed as mean±SD (n=10). *P<0.01 from the sham group; #P<0.05 from control group using one way ANOVA with Tukey’s post-hoc test
