Figure 1From: Biliary tract external drainage increases the expression levels of heme oxygenase-1 in rat liversThe expression levels of heme oxygenase-1 (HO-1) mRNA in the liver. a 1 h after operation; b 6 h after operation. Results are presented as mean ± SE of mean (n = 12). *p < 0.05, compared with the sham group. BTED biliary tract external drainage, BDL bile duct ligation.Back to article page