Methods Using sandwich ELISA technology, LEA and CEA are separately detected in serum of 16 colorectal adenoma, 93 different differentiated colorectal carcinoma and 32 normal people.

• 方法用双抗夹心ELISA技术,检测大肠腺瘤16例、不同分化大肠癌93例及正常人32例血清中LEA和CEA。