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Survival rates of rats after administration of lipopolysaccharide (3 mg/kg, i.p.). The survival curve was estimated by the Kaplan-Meier method and the log-rank method was used to compare differences in survival rates between groups (n = 20). aP < 0.01 for bile duct ligation group vs sham group. BDL: Bile duct ligation; LPS: Lipopolysaccharide.
