passages.id: BioInfer.d424.s0__text
passages.type: Sentence
passages.text: METHODS: We immunohistochemically investigated the expression of E-cadherin (E-Cad), alpha-catenin (A-Cat) and beta-catenin (B-Cat) during human intrahepatic bile duct development, using 31 fetal livers of various gestational ages.