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对２５例原发性肝癌患者血清的酸性铁蛋白（ＡＩＦ），甲胎蛋白（ＡＦＰ）进行放射免疫分析（ＲＩＡ）。检测结果表明，ＡＩＦ增高的阳性率为９２％，ＡＦＰ阳性率为７６％，而两项联合检测阳性率为９６％，并且可以互相弥补不足，提高肝癌的诊断率。
The serum levels of acid ferritin (AIF) and alpha-fetoprotein (AFP) in 25 patients with primary liver cancer were analyzed by radioimmunoassay (RIA). The test results showed that the positive rate of AIF increase was 92%, and the positive rate of AFP was 76%. The positive rate of two combined tests was 96%, and they could make up for each other’s deficiency and improve the diagnostic rate of liver cancer.