Methods Euzymelinked immunosorbent assay (ELISA) was used for serum CEA, CA125 and CA19-9 detection in 46 patients and 30 healthy subjects.

• 方法用酶联免疫法测定46例结肠癌病人血清CEA、CA125、CA19-9的水平，同时以30例健康体检者作为对照。