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通过检测转化生长因子（TGF）β及其I、II型受体（TβR－I，TβR－II）在乳腺增生病和乳腺癌中的表达，探讨不同增生程度的乳腺增生病与乳腺癌的关系。１材料和方法１．１标本选取柳州铁路中心医院病理科１９８９－１９９８年的存档蜡块，包括乳腺导管上皮轻度增生４０例，导管
To detect the expression of transforming growth factor (TGF) β and its type I and type II receptors (TβR-I, TβR-II) in breast hyperplasia and breast cancer and to explore the relationship between breast hyperplasia and breast hyperplasia . 1 Materials and Methods 1.1 Specimens selected Liuzhou Railway Central Hospital Pathology 1989-1998 archived wax blocks, including mild ductal epithelial hyperplasia in 40 cases, catheter