1 ts in PBC livers, but were rarely present in extrahepatic biliary obstruction, alcoholic fibrosis, or

2                                Patients with extrahepatic biliary obstruction do not necessarily requ

3 ntrols including chronic active hepatitis C, extrahepatic biliary obstruction (EBO), and normal liver

4 d a liver histological picture indicative of extrahepatic biliary obstruction with negligible inflamm