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1·To investigate the spectrum of antinuclear antibodies (ANA) in the serum of patients with gastric carcinoma.

了解胃癌患者血清中抗核抗体谱的特点。

2·Objective: to investigate the feature of antinuclear antibodies (ANA) negative systemic lupus erythematosus (SLE).

目的：探讨抗核抗体(ANA)阴性的系统性红斑狼疮(SLE)的特点。

3·As compared with the antinuclear antibodies (ANA) test, the immunofluorescence anti-DNA antibodies test was less sensitive but more specific.

与ANA试验比较放射免疫抗dna抗体试验敏感性较差，但比较特异。