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Three-dimensional observation of intrahepatic biliary tree. An intrahepatic biliary tree was constructed by the use of the silicon rubber cast study. A: Control rats, untreated. B: PCK rats, untreated. C: PCK rats, treated with gefitinib (10 mg/kg). Gefitinib inhibited the cystic dilation of intrahepatic bile ducts of PCK rats. Scale bars = 1 mm.
