Methods The method of radioimmunoassay was utilized to detect the basic concentration of CCK and gastrin in serum samples of 42 patients of cholangiocarcinoma.

• 方法采用放射性免疫分析技术，检测了42例胆管癌患者手术前后基础血浆胆囊收缩素和胃泌素浓度的改变。