double-antibody sandwich elisa technique 双抗体夹心elisa法
The serum levels of colon cancer antigen (CCA) and carcinoembryonic antigen (CEA) in 186 cases of malignant tumours were detected by enzyme linked double antibody sandwich technique.
采用酶联免疫双抗体夹心法检测186例恶性肿瘤患者血清结肠癌抗原(CCA)和癌胚抗原(CEA)。
Methods: The double-antibody sandwich ELISA technique.
方法：采用双抗体夹心elisa法。
Methods The double antibody sandwich ELISA technique was applied.
方法采用双抗体夹心elisa法。
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