Objective To detect the expression of cytokeratin 20(CK20) mRNA in the portal venous blood of colon cancer and to discuss the its clinical value.是什么意思_Objective To detect the expression of cytokeratin 20(CK20) mRNA in the portal venous blood of colon cancer and to discuss the its clinical value.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句