Methods Serum CA199,by microne enzyme im-mune analyis(MEIA)and CA242,by enzyme immune analysis(EIA)were both measured in270patients with gastric carcinoma,32casses of benign gastric disorders and52cases of normal contrals.

• 方法CA199采用微粒子酶免疫分析,CA242用酶免疫法,检测胃癌患者270例,良性胃病32例,正常人52名。